I have momentary infatuations with certain bands. Right now, one of my favorites is OK Go.
I love their videos:
[nomedia="http://www.youtube.com/watch?v=qybUFnY7Y8w"]YouTube- OK Go - This Too Shall Pass - Rube Goldberg Machine version - Official[/nomedia]
At my house, we listen to a lot of Vampire Weekend, Noah and the Whale, Matt & Kim, the Wombats, Pink Spiders, Hush Sound, We are Scientists, Phantom Planet, The Strokes, The Hives, Spoon, Franz Ferdinand, Modest Mouse, Scissor Sisters, Killers...
Here's a good playlist for you to sample:
5 Years Time - Noah and the Whale
Metal Detektor - Spoon
This Too Shall Pass - OK Go
Dropped - Phantom Planet
Daylight - Matt & Kim
Take Your Mama - Scissor Sisters
Dashboard - Modest Mouse
Horchata - Vampire Weekend
Let's Dance to Joy Division - The Wombats
All These things I've Done - The Killers
You Only Live Once - The Strokes
Hate to Say I Told You So - The Hives
Take Me Out - Franz Ferdinand
I like Metacritic and Mog for finding new music.