I dropped my temp down 10C by attaching another fan to the back of the supply to blow the air though it! the supply was very close the heatsink on my processor. my system ran at 41C and processor at 54C before the mod! i have since changed the supply to a sparkle 400W that dont seem to run as hot.
System Specs:-
Lian Li PC60/ Sparkle 400w psu
Enermax monitoring panel
Asus A7N8X/dlx AthlonXP 2500+ @2.21Ghz (3200+)
Crucial 1GB PC2700
ATI Radeon 9700/pro
1 Maxtor 80Gb HD and
1 60 GB HD
Liteon CDRW
SONY DVD Writer
Running WinXP pro SP1