I have my blog broken out into years (blog/2014, blog/2013, etc) to try to keep the performance decent.
I am now working on the pagination so that I can go from the end of one year the beginning of the other and vice versa. Going older is reasonably easy (if !next_page go to older year).
Problem is the 'newer' pagination. If I am at the beginning of 2013, how do I go to the END of 2014? (blog/2014?page=4), for example.