The summer set is awesome, great bunch of guys (and one girl).
They totally remind me of The Maine. They are going to be one of those up and coming pop punk bands very soon.
They also aren't annoyingly pop punk, so it differentiates them from groups like The Maine, the lyrics aren't crappy written like a 12 year old type. This explanation sucks, just give them a listen. The ep is only like 4 bucks. If you end up liking them they have an older ep on smartpunk for about 8 bucks with about twice as many songs.