I just purchased it even after beating it on PS3 a little while back. It's 7.50 on Steam right now for the GotY edition (that's the game and all the expansions). Gonna play through again probably in anticipation for Borderlands 2! Was curious who else owned it on PC and if they'd be interested in playing sometime in the near future, granted it'll probably take me like 2 days to finish downloading...
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Indie game board: http://www.gamefaqs.com/boards/293-indie-gaming