Oversize or not?

elshiftos
elshiftos Posts: 14
edited July 2011 in Road buying advice
I may be getting a bike with a 25.4mm bar/stem, on which I plan to experiment with different bars and stems to get the right feel/fit.

Would it make more sense from a future-proofing point of view to go for oversize parts, or will 25.4 be ok for the foreseeable future?

TIA