Well that's going to happily run any distro you want .. as you're new to Linux, I'd suggest Ubuntu 12.04, or Linux Mint 13, for no other reason than you'll find more tutorials, help, online resources available for Ubuntu based distros.
(or Peppermint 3 if you want speed at the *slight* expense of ease of setup .. Peppermint is *my* current favorite)
All of those are based on Ubuntu .. kinda obvious in the case of Ubuntu itself .. so all have access to all the software in the Ubuntu software repositories
But you can test drive Linux before installing, by creating a LiveCD or LiveUSB (stick) .. these will give you a working desktop without making changes to your hard drive until you're ready to install. That way you can test drive a few distros and find the one that suits you best.
If you need further info about LiveCD/LiveUSB's or anything else .. just ask