Nike Plus Powersong?

I'm picking up a Nike plus this afternoon to help ramp up my running program.  Anyone have good suggestions on what I should put on my iPod for my powersong?  I'm really excited about getting my Nike plus!

what's your music preference? there are so many good ones!!

if you like poppy/girly music:

-girlicious--like me

-pink--don't let me get me

-kelly clarkson--miss independent

--pussycat dolls--dont cha

--gwen stefani--hollerback girl

if you like rap:

-eminem: till i collapse, lose yourself

if you like alternative:

--fall out boy--sugar we're goin down

--evanescence--bring me to life

i hope this helps. your should listen to them. i'd love to know which ones you like.

I like a little bit of everything which makes it hard for me to decide.  I welcome all suggestions as I'm sure y'all will think of something I haven't thought of!