I just asked my hubby how much difference the angle measurements would make ('cause he's an Engineer and I suck at Math). He said really those bikes are so similar that you'd probably not notice a huge difference either way...and to go with the shop that treats you best. Truly, as long as you are on the right size a good shop can do all sorts of tweaks to dial-in your fit. They'll measure you and put the appropriate length stem on, maybe swap out some head spacers, move the saddle up and down, fore and aft, etc. And most good shops will continue to do minor tweaks as-needed for a few months after you buy your bike--I know mine has done this. I started with an 80mm stem and moved to a 100mm stem after a few rides. No charge. I think the 2nd stem was even a grade better than the original stem.