Which MSI desktop board for new INTEL 1270.v3 build

Gents:

Intend replacing  faithful legacy AMD965 system  with an upgraded version of  last years build:

INTEL 1240.v2
MSI Z77a.gd55 BIOS 1.2
NV 660 + 27" Auria
2x 1T HDD + 24-Gig Crucial ram
Running Ubuntu 14.04LTS .. which system supports  both simulat...