mboy – i demoed a T-129s for 2 days and came to pretty much the same conclusions as your comments above. Very fast downhill, extremely good in loose rocky terrain and the geometry was pretty much perfect for me.
However it was ponderous in tight switchbacks up and down, really had to swing the front end round and, like a lot of full suss 29ers i suspect, felt slow and hardwork on long smooth climbs.
Like you i hated the sram kit and the brakes are beyond useless… i also felt the frame finish was poor quality and some of the welding looked pretty shabby. A good bike for 2k though.
Would i buy one ? No… i prefer the more involved ride of my Ti hardtail.