A friend of mine is selling this stuff. I helped do the install and everything is in great shape. If you have any questions just ask. Here is his ad on Tech.
http://www.ls1tech.com/forums/parts-classifieds/1359335-gto-tvs1900-kit-other-parts-sale.html
Its not hard to do the window motor, i think there is a write-up on tech or ls1howto. Sounds like you need to hook up a scantool to see about the abs light.
I got a couple pics of the car,
http://i205.photobucket.com/albums/bb291/boostedgtp/LS%20FEST%202010/IMG_4228.jpg
http://i205.photobucket.com/albums/bb291/boostedgtp/LS%20FEST%202010/IMG_4220.jpg
http://i205.photobucket.com/albums/bb291/boostedgtp/LS%20FEST%202010/IMG_4226.jpg