Hmm.. :: Thumbing through iPod ::
Beyonce - Upgrade You, Check On It/Timbaland - The Way I Are/Gwen Stefani - What'cha Waitin' For, Rich Girl /2Pac - California Love/Britney Spears - Gimmie More/The Cranberries - Salvation/Disturbed - The Sickness/Garbage - #1 Crush/Jackson Browne - Runnin' On Empty/J-Lo - I'm Gonna Be Alright, Ain't It Funny, Waiting For Tonight/Kylie Minogue - Can't Get You Out Of My Head, Love At First Sight/Michael Jackson - Another Part Of Me, Thriller (almost any old Michael Jackson)/Nelly Furtado - Promiscuous, Say It Right/Nirvana - Smells Like Teen Spirit/No Doubt - Hella Good, Spiderwebs/N-Sync - Bye, Bye, Bye/Oasis - Morning Glory/kittycat Dolls - Buttons, Don't Cha/Red Hot Chili Peppers - Dani California/Rick Astley - Never Gonna Give You Up/Ricky Martin - Livin' La Vida Loca/Shakira - La Tortura, Hips Don't Lie/Stevie Wonder - Superstition/50 Cent - In Da Club/New Order - Blue Monday/Stevie Nicks - Stand Back/Fleetwood Mac - Go Your Own Way/Madonna - Causing A Commotion (or anything off her last dancey album)/AND OF COURSE.. Eminem - Lose Yourself..
They're all kind of different speeds and have varying BPM's, but a few ideas to get you started..