Flipside

Flipside... Get to the flipside of your Mac with Flipside. This easy to use and quick application helps you get to Boot Camp worry free.

It will automatically find your bootable Windows partition and reboot your Mac into it without changing your default startup disk.
No more rebooting your computer and waiting to hold down the option key or changing you default startup disk to get to Boot Camp. With Flipside, there are no hassles, it does all the work for you without changing your default startup disk.