LG Xenon GR500
when does buy 1 get 1 free sale end?
However, it involves mail in rebates so you will have to pay up front and get reimbursed.
Upgrade prices that I found in my zip code:
Wirefly.com $60
RadioShack.com $50
BesyBuy.com $80
Each offers the Red and Blue ones. Only Best Buy offers the Black.
Good luck! It's a great phone.