Cedar Point is good, but it gets a little boring after 19 years.
However, my college roommate and his girlfriend, along with my girlfriend's buddy from Pittsburgh came to town and we went to Cedar Point the day before we left for Roo last summer. It was a blast because none of them had been there.
this is a good topic that i could ramble on forever. so i'll have to separate my choices.
lesser known (comparatively):
mute math, jonezetta, cold war kids, the national, say anything, and you will know us by the trail of dead, annuals, tapes & tapes, arcade fire, rogue wave, broken social scene, cursive, dredg, imogen heap, sia, iron & wine, air, keane, louque, nada surf, ours, doves, pete yorn, rooney, black kids, the good the bad & the queen, the magic numbers, the frames, wolf parade, zero 7, straylight run, cyhsy, arctic monkeys, etc.
tool, radiohead, wilco, my morning jacket, white stripes (and the raconteurs), mars volta, flaming lips, the bravery, the killers, the shins, death cab, the cure (still putting out new shit! duran duran too!), sts9, perpetual groove, ryan adams, snow patrol, spoon, robert randolph, sigur ros, modest mouse, any claypool project, nine inch nails, tori amos, elvis costello, muse, lotus, keller, interpol, pearl jam, bright eyes, postal service, daft punk, chem bros, etc...etc...E T C
and the list goes on and on and ON... ad nauseam... ad infinitum... et cetera... et cetera... and so on and so forth