rEFIt is a boot menu and maintenance toolkit for EFI-based machines like the Intel Macs. You can use it to boot multiple operating systems easily, including triple-boot setups with Boot Camp. It also provides an easy way to enter and explore the EFI pre-boot environment.
I installed reFIT on my new MBP, and now, unfortunately, OSX can't get past the login screen. When I try logging in, it simply bounces me back to where I started, the login page. Since I can't get in ...