Update, thanks for all the help guys, got another P4 and Motherboard with rear and top case funs run off antec trueblue 480w case fans at front running slowwly and fan on cooler running at 1500rpm, I now have nice quiet PC and stable temp, CPU sitting at constant 55 C even a soilid hour of running CMR2005 temp had only risen to 56, would run a few degrees cooler if I had the window open, when using Photoshop P4 seems a lot faster than my mates XP3200, thats why I went P4 as it seems to be better for PS duaghter no 1 now has xp2000 and 512mb PC2700 ram, but it is noisy, daughter number 2 has P3 933 with 756mb ram (PC133), this is nice and quiet to but new P4 seems quietest of lot.