I was always impressed with the 24-85 F/3.5-4.5 for what it costs. I believe it's the best sub $200 zoom you can get for a 1.6x body. USM, full time manual focusing, internal focusing, and really compact and lightweight.
The only complaint I really had with it was photos lacked contrast, but that was easily fixable in post.
Here is the sample thread for it.