Try the new Tallboy for 09 and 10s. I have it on my FLHTC and it's great. Gives you 2 inches back, little narrower and lower profile.
My classic came from the factory with the Low seat and I hated it. Felt like I was sitting on the gas tank.
I'd rather be judged by 12 than carried by 6!
2010 FLHTC, 103" Twin Cam, Stock Heads, SE-259E cams, SE 10.5:1 forged pistions, SE Race Tuner, Zipper's Maxflow air intake, D&D 2:1 Fat Cat