The 2003 KHS Westwood specifications state that it is 29.7 lbs. CroMo frame. Dual chainring front derailer. 20" wheels.
The FS Downtube is ~28 lbs. Aluminum frame. 8 sp rear derailer with a 9sp option. 20" wheels.
There are a lot of specifics ... folding size, folding pedals, and so on.
With delivery, the DT is about $350. The Westwood is $400.