I'm sure some people wondering how winnable the race is. Checkout all the tweets above and consider the following too:
1) He has a long voting record. Unlike some other candidates in the past, it's going to be very obvious how he will vote in Congress. You can look up his voting record at Michiganvotes.org:
http://michiganvotes.org/Search.aspx#House
2) He's still in office as a State Rep. This is important since he can propose legislation, hold town halls with constituents, and vote during the campaign; his opponent cannot.
3) This is an open seat with no incumbent.
4) His opponent is from the same area. This is important since neither of them have a geographical advantage.
5) The district is a Republican leaning swing district, so the battle is right now in the primary. Livingston county will probably decide the race.
I'm probably biased, but I would rank Amash's and McMillin's race should be the # 1 priorities right now. The establishment was already gunning for him during his state senate race and they're going to push 100 times harder here. If McMillin wins and Amash wins by a large margin, it will be like poking a stick in Mike Rogers eye.