Here are some links that can help a little
They are pretty definitive...
Right here on this forum:
http://www.nissanforums.com/showthread.php?t=33493
Nissan Performance Magazine (John Anderson):
http://www.nissanperformancemag.com/...03/trans_swap/
John's Personal Website:
http://nissan.johnandtracey.com/
AznVirus's website (click on tutorials, then auto to manual swap):
http://www.geocities.com/aznvirus25/
I've been doing a little research