Hey Cowboy!
ALERT!
The 4' T-Track Kit is ON SALE again...
http://www.rockler.com/product.cfm?page=5209
It's a really good deal... assortment of 8 knobs and slider bolts + the T-Track.
Great for jigs...
Just noticed it... thought you'd like to know...
I'm also waiting for their Router Table AC switch to go on sale... saving about $10...
http://www.rockler.com/product.cfm?page=10402