hummm, the K7S41GX will ONLY supports socket A proccy.
In that case then I'd definetely go for the 775Dual-Vsta with Celeron D, cuz u can always go for Conroe, DDR2 & PCI-E anytime.
the mobo can run @ default 1066Mhz FSB (266Mhz Actual), A Celeron 351 is default @ 3.2Ghz (133*24), which means...