jpmartineau - thanks for the info. looking fwd to trying it out this week
idig - agreed that tt is most imp, but i was between the 53 and 56 and figured i could change out the stem if i needed to get it a bit shorter (at least that's what my lbs said would be better for my fit). plus for me at least before riding something around i have a hard time judging if the tt is too long/short for me.. i seem to just go w/ whatever i'm riding, but prob chalk that up to not knowing the diff.