I'd say go for the black pedals and as mentioned before get the edge 500...as for the mount if it is really neaded you can save money and go for the barFly...
http://www.amazon.com/Garmin-Bar-Fly.../dp/B0085MMIU0
or save even more money and try the FSA control center mount...
http://www.ebay.com/itm/160878576868...84.m1423.l2649