Oh dear God. *stretches and cracks fingers*
Neutral Milk Hotel
The Mars Volta
The Cure
Silversun Pickups
Elliott Smith
Modest Mouse
Radiohead
Pink Floyd
Porcupine Tree
The Flaming Lips
Sonic Youth
Smashing Pumpkins
I'll stop before this is a novel :P
For me? In no particular order:
1. Neutral Milk Hotel
2. Modest Mouse
3. Radiohead
4. The Cure
5. Sonic Youth
6. Smashing Pumpkins
7. Silversun Pickups
8. Jimi Hendrix
9. Pink Floyd
10. Porcupine Tree
Yeah, that's a long list...and it just...keeps going...FOREVER...