As far as number 2 is concerned, check out Performance PC's. They have taken some existing power supplies, and modded them to make the cables modular. I'm sure they could do it on any power supply you want. And having all the cables sleeved is nice! I just did my own sleeving on a Antec TruePower 550, and it was a PITA! I'd pay them to do it in a heartbeat!
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-Michael

#040103696 on a shelf
Mk2a - 90 GB - Red - Illuminated buttons