I would suggest the 700E, it is cheaper and most of them shipped now have cBO stepping, 933MHz on a 133 fsb is almost gauranteed. If you go the 850 route then you will not reach the 133MHz fsb. I would personally go for the 650, it is the cheapest on pricewatch, slap an FOP38 on there and go for 140MHz fsb for 910MHz cpu clock. If you are going to wait for a whole new system, then switch over to socket A like I did. Much cheaper and slightly faster clock for clock, not to mention Thunderbirds and Durons overclock higher than their P3 counterparts. With 128k L1 cache vs. 32K on the P3, plus a 200Mhz fsb, the t-bird is stronger. Remember Coppermine cores are limited to 1075-1100MHz, people are taking 1.2GHz t-birds above 1400 all the time.