I think I'm going to put this off until at-least Q2 of 2015. This would let me get the most out of any challenge I do and also give me more time to see if there's any possible way my '15 travel would support top-tier in SPG along with mid in Hyatt and HHonors. Total nights won't be a problem, it'll just depend again on how the cities layout. A review of '14 travel in Q4 should give me as better idea.