Portal:EXTRACTION will be a mod that takes the end of Portal and fills in the gaps, placing it into the half-life universe. What we're aiming to do is to create a storyline that allows us to take the player from the gates of apature science to the very beginning of Half-life 2: Episode 2
We've had a complete overhaul of the first part of the story and thus the first map, here are some pre-alpha-release shots of the map in Hammer
your scripting looks good, I'll give you that, but your detailing and lighting can use some work, good luck...