yes ... you should do good.
You need to make a decision thou ... A faster system or a faster chip.
The 333 version seems to run a higher FSB (a lower multiplier on the chip)
While ,...
The 266 version seems to allow a higher clock (higher multiplier)
Of course ... all of this is dependent on the CPU you receive (luck of the draw) ... and the memory quality you get . ($$$)
good luck ,,, keep us postd when you done