I'm converting my car to EFI and went with MS-II because it's cheap and flexible. I've started documenting it on my local club's website so follow along there for updates since I'm only going to maintain 1 thread.
http://www.lmmc-ct.com/forums/showthread.php?t=48788
http://www.lmmc-ct.com/forums/showthread.php?t=48788