hmmmm -
If you keep an eye out and have some patience, you can find these phone for less than MSRP on craigslist/ebay/etc. A bit more legwork and all, but you can get EVO, for example, for cheaper. Put TEP on your account when switching phones and you can always get a replacement if something is wrong with it.
Just throwing out ideas. I'd imagine customer service or retentions would eventually help out but it's going to be lots of arguing, supervisor please, etc. on the phone. I don't personally like that game and avoid it but perhaps you don't mind.