the whole point of a C2D is they run much cooler, the E6700 uses about the same amount of power as a Pentium 4 3.4Ghz. and it is much faster. my old P4 machine was nice, but it lagged in games and movie/photo editing. my current build is much much faster, and i notice, and appreciate it. currently i have running folding@home running on Core 1, 8 Firefox tabs, Windows Media player 11, WMM, and ES4 Oblivion running, and no lagging at all. most of my
RAM is used of course, (only 400MB Left xD) but no problems at all.
CPU running steady at ~80% usage, (!!!) running all this on my old P4 3Ghz would have it gasping for breath. so i would say that C2D a
re defienetly worth the money