yep - honestly, an S7 will only make you around $100 a month right now, at the current difficulty. With the increasing network difficulties, it won't break $80 in the next month or two.
Would love to join a meet up, but Columbus is just a bit too far. You might consider joining the Meetup group - seems like there's a core group keeping it going, and also the next meeting is tomorrow:
http://www.meetup.com/Columbus-Bitcoin-Meetup/wont be at tomorrows. Mainly cus i hate campus. but i will be at the starbucks one on the 23rd
check out Kano.is 107% luck lifetime. 122% luck for last 100 blocks.
unless your located in china there i no reason to be pointed to a china pool when there are better ones else where.