Everyone and their mother is suggesting the Thomson Elite setback when people need a setback seatpost...
It is not a friggin' setback seatpost, for God's sake. Forget it now. It's "setback" as compared to other, straight Thomsons, which makes it normal for all intents and purposes. It gets the saddle as far back as most of the normal, clamp-behind-the-tube posts. Just look at a damned picture of the stock 925 post and the Thomson.
This is a setback post:
This isn't:

[/RANT]