fit-PC3i (AMD G-T40E Processor), latest BIOS (posted some days ago), FreeBSD 10.1-RC3 (final will be released in November).
Boots in UEFI, with GPT style partitions

Also, according to my tests, BIOS legacy boot mode only supports MBR style partitions, not GPT (I also have an Intel Atom NUC that can use GPT partitions, booting in both legacy & UEFI mode).
- Davor