Here are some screenshots of Mint 12
with MATE looking identical to the last 3 releases:
Linux Mint 9:
Linux Mint 10:
and Linux Mint 11:
I repeat, all of these are Linux Mint 12 Lisa, with the background packs installed, running MATE.
Dell XPS 15 l502x - Debian Testing 64-bit NetInst Xfce, SolydX 64-bit Debian Testing, SolydK 64-bit SolydXK Testing
Old Gateway Pentium 4 Desktop - Arch Linux 64-bit Xfce and SolydX 32-bit Sid