There was an article on habré - Booting GNU/Linux without any third party Downloader. Maybe she will come across something interesting.
If you set GRUB, and it will pickup the UEFI (I have, though without Windows, but in principle, easily done in Archlinux, read http://goo.gl/LCO7Vv) - bound long time to work. The main thing is not peristerite data partitions Windows.