And about flipping the stem, I was in between a 54 and 56, ended up going with the 54. However, I do feel like I need some more stretch, so I may end up flipping it to see how it will feel. Or I may just wait for my fitting and let the results of that decide.
Definitely wait for the fitting. Ignore
anyone who tells you to flip the stem, unless it's the guy who's doing the fitting.