So, I dunno how to frame this, except just go and look: http://50watts.com/
It's gonna be a trip, I bet.. post your favs as I'll be clicking through this for a while, sure to miss something awesome:

one of the best sites out there... just so much amazing art & design from so many eras. i had been following 'a journey around my skull' for over a year until he switched it over to 50watts a few months back.

i could spend all day posting things i discovered there, but here are a few....