Here are lists with the current faction rewards for the good factions. Thanks to MM2WilySt2 for noting it down!
Mordor
2 Cooking Cauldron (+20 Morale)
3 Orc Brew (+1 Athletics) Consumable, Repeatable
4 Balanced Large Wooden Club (Swing-28b; Speed-88; Reach-75; Bonus against shields; Unbalanced)
5 Huge Warg (Armor-45; Speed-35; Maneuver-62; Charge-62; HP-180; Needs riding 5) Repeatable
6 Master's Whip (+1 Trainer; Gives ability to recruit tribal orcs)
7 Reinforced Mordor Capatin Armor (Body +46; Leg +22)
8 Heavy Mordor Sinister Warhorse (Armor-63; Speed-33; Maneuver-30; Charge-54; HP-160; Needs Riding 4)
9 Wicked Helm (Head +45; Needs Strength 12; +1 Ironflesh; +1 Prsn Managment; +1 Charisma)
Khand
2 Cooking Cauldron (+20 Morale)
3 Smith's Hammer (+1 Weapon Mastery)
4 Balance Khand Spear (Thrust-29p; Speed-91; Reach-218)
5 Evil Torque (+1 Power Strike)
6 Tulcarisil ()
7 Champion Easterling Warhorse (Armor-48; Speed-39; Maneuver-33; Charge-42; HP-135; Needs Riding 6)
8 Masterwork Khand Ram Mace (Swing-38b; Speed-85; Reach-102; Can crush trough blocks)
9 Khand Sacrificial Knife (+1 Leadership; +1 Charisma)
Dunland
2 Cooking Cauldron (+20 Morale)
3 Garlic (+1 Wound Treatment)
4 Reinforced Dunnish Shield (583/583; Resistance-7; Size-119; Speed-82)
5 Wilderness Amulet (+1 Wildcraft)
6 Balnced Dunnish Pike (Thrust-29p; Speed-88; Reach-205; Not on horse)
7 Hunter Boots (Leg +22; +2 Athletics)
8 Masterwork Dun Chief Armor (Head +8; Body +31; Leg +19)
9 Masterwork Dunland Chieftan Sword (Swing-43c; Thrust-37p; Speed-106; Reach-98; Needs Strength 16; Can crush trough blocks; Less upkeep for Dunland units)
Isengard
2 Cooking Cauldron (+20 Morale)
3 Orc Brew (+1 Athletics) Consumable, Repeatable
4 Isengard Crebain (+3 Spotting)
5 Heavy Huge Warg (Armor-48; Speed-35; Maneuver-62; Charge-66; HP-190; Needs riding 5) Repeatable
6 Evil Torque (+1 Power Strike)
7 Silmarillion (+1 Leadership)
8 Masterwork Uruk-Hai General Armor (Body +44; Leg +23; +1 Charisma; +1 Training)
9 Isengard Mines (+2 Tactics)
Harad
2 Cooking Cauldron (+20 Morale)
3 Maps of Middle Earth (+1 Pathfinding)
4 Balanced Eagle Guard Bow (Damage-31c; Accuracy-93; Speed-93; Needs Power Draw 4; Not on horse; Shoot Speed-56)
5 Evil Torque (+1 Power Strike)
6 Tulcarisil ()
7 Masterwork Harasjala Polearm (Swing-41c; Thrust-31; Speed-87; Reach-149; Not on horse)
8 Masterwork Harad Noble Armor (Body +41; Leg +16; Needs Strength 18)
9 Harad Totem (+1 First Aid; +1 Surgery)
Umbar
2 Cooking Cauldron (+20 Morale)
3 Maps of Middle Earth (+1 Pathfinding)
4 Poisoned Throwing Daggers (10/10; Damage-50c; Speed-110; Shoot Speed-24)
5 Archer Gloves (Body +3; +1 Power Draw)
6 Finwarisil ()
7 Balanced Corsair Bow (Damage-23p; Accuracy-87; Speed-83; Needs Power Draw 4; Not on horse; Shoot Speed-58)
8 Masterwork Corsair Noble Armour (Body +30; Leg +14)
9 Trident of Sea Fury (Thrust-35p; Speed-94; Reach-166; Need Strength 12; Not on horse)
Rhun
2 Cooking Cauldron (+20 Morale)
3 Garlic (+1 Wound Treatment)
4 Heavy Rhun Horse (Armor-13; Speed-38; Maneuver-39; Charge-14; HP-80; Needs Riding 2)
5 Balanced Rhun Sword (Swing-35c; Thrust-13p; Speed-95; Reach-89)
6 Middle Earth Herbarium (+1 Wound Treatment)
7 Champion Rhun Heavy Horse (Armor-35; Speed-40; Maneuver-38; Charge-30; HP-160; Needs Riding 6)
8 Dragon Flame (Damage-26c; Accuracy-85; Speed-96; Needs Power Draw 2; Not on horse; Shoot Speed-52)
9 Helm of Khamul (Head +50; Needs Strength 15; +1 Riding; +1 Mounted Archery)
Gundabad
2 Cooking Cauldron (+20 Morale)
3 Orc Brew (+1 Athletics) Consumable, Repeatable
4 Gundabad Flying Axes (5/5; Damage-46; Speed-103; Bonus against shields; Shoot Speed-30)
5 Champion Huge Warg (Armor-45; Speed-39; Maneuver-64; Charge-66; HP-180; Needs Riding 7) Repeatable
6 Master's Whip (+1 Trainer; Gives ability to recruit tribal orcs)
7 Masterwork Warg Rider Helm (Head +31; Less upkeep for units, using wargs)
8 Masterwork Gundabad Orc Heavy Armour (Body +16; Leg +14)
9 Reinforced Angmar Shield (1683/1683; Resistance-24; Size-79; Speed-96)
Moria
2 Cooking Cauldron (+20 Morale)
3 Orc Brew (+1 Athletics) Consumable, Repeatable
4 Reinforced Moria Orc Shield (493/493; Resistance-14; Size-119; Speed-88)
5 Reinforced Huge Warg (Armor-49; Speed-35; Maneuver-62; Charge-62; HP-263; Needs Riding 5) Repeatable
6 Finwarisil ()
7 Ancient Dwarf War Axe (Swing-47c; Speed-86; Reach-102; Bonus against shields; Not on horse; Can crush trough blocks)
8 Masterwork Orc Moria Heavy (Body +24; Leg +16)
9 Moria Poisoned Arrows (40/40; Damage +11)
Dol Guldur
2 Cooking Cauldron (+20 Morale)
3 Orc Brew (+1 Athletics) Consumable, Repeatable
4 Balanced Large Wooden Club (Swing-28b; Speed-88; Reach-75; Bonus against shields; Unbalanced)
5 Middle Earth Herbarium (+1)
6 Master's Whip (+1 Trainer; Gives ability to recruit tribal orcs)
7 Spider (Armor-30; Speed-50; Maneuver-75; Charge-25; HP-25; Needs Riding 3)
8 Dale Nobleman Mail (Head +4; Body +38; Leg +15)
9 Wicked Sword (Swing-50p; Thrust-45p; Speed-103; Reach-112; Needs Strength 18)
Feel free to make suggestions for changes at them ^^