Welcome back to our Community Forums! Thank you for your post and I'm sorry to hear that you're unhappy with the TiVo 500 that you received.
We really appreciate @japitts for stepping in and providing you with some wonderful information about your potential options.
I'm sorry to hear that you're not happy with the response you've receiving in regards to your complaint. Has the team been in touch with you in regards to this recently? You can always track your Complaints via your online account on My Cases.
Can you please update us on this issue and if you've been in touch with the team recently? If so, what was discussed?