Some time in the future I plan on getting a couple bikes running as my go-slow bikes, a touring bike (almost there) and road frame built as 1x5 or SS. When that happens I want to upgrade my fixed gear frame so it will be more of a go-fast bike rather than a general use bike. When I do this I would like go for something aggressive with less BB drop. I'm mostly curious how 175mm or even 180mm cranks will work out. Currently I am with an el cheapo Schwinn World Sport that has proximately 70mm of BB drop (and 170mm cranks). I'm guessing I'll be just fine but geometry isn't the side of bicycles I'm as familiar with. Will a typical track frame be suitable? I suppose I'll need 10mm less drop to get the same clearance with 180s as I have now or am I wrong?

This is all in an effort to get my bikes to be as user friendly for me as possible. Ideally I would have a frame with longer stays and larger diameter wheels, but what can I do.