It's clean, but nothing special. Well, it's probably a big step forward from the previous 'official' ROM, but for me it looks outdated. While there are probably good reasons to include Manilla 2.1 it looks very much outdated when compared to 2.5, particularly around the message reading. I managed 15 minutes then went back to the 'cooked' rom I'd been using with Manilla 2.5.
Worth pointing out, this ROM appears to contain a new SPL, so if you've flashed an older HardSPL you'll need to update before flashing. If your device is still standard then it should be just fine.