A word of warning for you about bike jerseys (besides the "racer/euro fit" thing already mentioned). I have moderately large boobage (40") and I have a big annoyance with the jerseys that have a long front zipper. I'm talking about zippers that are so long you could breastfeed twins.

What happens with these is that the zipper is quite stiff and it bends and bows in all sorts of unflattering ways as it's crossing over the continental divide. The result is a boobage profile that looks like a tent pitched with crooked poles.

Shorter zippers that end above the bust or midway through it don't have this problem. It's only the long ones.