At eXpansys, buy a select unlocked cell phone and receive an unlocked V5 Dual-Band Mini Cell Phone and T-Mobile Pay-As-You-Go SIM Card for free. (Eligible phones are marked and you must select the "Summer Freebie" in-cart to get it.) That's the best such deal we've seen from this merchant. The V5 is a dual-band GSM phone that features a 1.2" LCD display. Some best bets:

• Unlocked V5 Dual-Band Mini Cell Phone for $12.99
• Unlocked LG GT365 GSM Smartphone for $69.99
• Unlocked BLU Dash Android Smartphone (pictured) for $95
• Unlocked ViewSonic ViewPhone 3 Dual SIM Android Phone for $119.99
• Unlocked Samsung Galaxy Mini S5570 GSM Google Android Smartphone for $129.99
• see more eligible cell phones at eXpansys