I had an LG-LST 4200 for a while. It is a very highly regarded tuner, and I really loved mine. They're supposedly very good at working well even with weak signals (it tuned everything I hoped to, but my house happens to be in an ideal location for reception).
It has an ATSC, HTSC, and QAM (if you have cable you may be able to get your locals in HD with a QAM tumer, depends on the provider). There are several of them available on ebay right now for around $100. I can't vouch for the seller, and it comes without a remote, IIRC, but I bought mine for $225, and eventually sold it for $400+. So $100 seems like a pretty good deal.