Hey great post, I love session IPA's. I have to say my favorite is All Day IPA by Founders.
Their beer is incredibly cheap for craft beer, maybe because they are from the midwest and so am I but love the price, it also has the perfect balance of flavor while still being light enough taste wise and on your stomach as well as a low enough alcohol content to be something you drink all day out boating or golfing or whatever, hence the name I guess.