did this @ the beginning of the year, isnt a hard diy. i found 'tri-led' or butterfly leds gave off better illuminiation. the light was spread better and hotspots not as bad.

leds such as these: http://cgi.ebay.com.au/6-X-3-LED-Blu...item4149f1fe7b

the picture doesnt do it justice :P (6 leds are in, 5 worked, 1 WAS a dud (near the 'H' of the temperature, its been replaced with a working led now))