I use only HEC PS with Compucase cases nowadays. The HEC is pretty good, as Merc said.
I just put a 300W PS in my rig, with a barton 2800@3200, 512MB, X15-36lp, Atlas 10k3, 2x cheetah 10k, dvd, cd-rw, cd-rom....
I'd take a HEC, ANTEC, Fortron anyday. Haven't used Sparkle myself, but would...