used probably is the way to go but doesn't everyone say you should be fitted. Right now, the only thing I do know is that when I test rode the Trek 7.2fx that the 17 was a much more comfortable ride for me than the 15. I felt jammed...

I've looked on Craig's List...but you really need to know what you're looking for and what size...(I would say)

Can anyone offer advice on what size roadie to look for? I'm 5'3...

I will say that it seems like the Northeast has more of a used community selling bikes than in the South? Got to be population...and the bigger push to get people out of cars and on bikes...

Thanks for all the responses...I will have to take a roadie out too before I commit.

Warneral: good advice
Indysteel: not sure yet...don't have a bike yet to know. But from what I hear the 7.3fx cannot do trails where I'm located...too sandy. so sounds like road only.
7rider: pretty much road
not sure of group but sounds fun
speed is always good. I do have a competitive edge and may want
to try maybe a duathalon or try distance.
no injury to speak of, except when I run too much
I do see myself with more than one bike in my future but I would like to be satisfied for at least a yr or two before getting my second...
Roadtrip:my lbs said he thought I would be happy for what I want to do...with the 7.3fx

typical Libra...weigh things out forever...(instead of make a darn decision and sticking with it)...lol