The "dirty" installed longer with more restarts,booted slower and there were some other things too decribed as fixed in the first post.
1.) If you want the torko release dl the torrent from his site. and download it.... 2.) what do you mean 7989 proper - the only thing leaked was the install.wim and then it was inserted into x64 files.... so you could use it.. Proper is you removed the install.wim from the W7V private FTP leak... and that is your - proper 7989.
In 6.2.7989.0.amd64fre.winmain.110421-1825_NoWM&RPed_by_torko.iso - EXPLURER at start system fell, assembly 'crude'. In Windows 8 Build 7989 Fixed-PROPER(6.2.7989.0.amd64fre.winmain.110421-1825.iso) - no such problems.