Sigma 55-200mm F4 for Digital Rebel XT

Story likes these DR XT lenses:

The Digital Story: Sigma 55-200mm F4-5.6 DC Lens Perfect Complement for Canon Rebel

One of the best deals in the world of lenses is the Canon 18-55mm lens that's available in a kit with the Digital Rebel XT (350D)..... Sigma has designed what I consider to be the perfect complement to this lens. Their 55-200mm DC Zoom...

You can buy the Sigma 55-200mm on Amazon for $125, and that includes a lens hood. The only other lens that I would include in my "basic on-the-go DSLR kit" would be the Canon 50mm f-1.8 optic...

Many reviewers dislike Canon's stock zoom. I have it and the 50mm. Now I'm thinking I want the 55-200. Sigma also sells a 35mm f1.4 $300 higher end lens that would be sweet. I might be done for a while after those two ...

In fact I'd favor the Sigma 35mm over the Canon 50mm, except the Canon is only about $75 -- very cheap. Still, one could make the case that the base Canon zoom, the Sigma zoom and the Sigma 35 f1.4 are a great kit for the cheap amateur.