AT&T is selling the Infuse 4g car dock for $35 dollars minus a $17 dollar online discount. I just bought it for $18 bucks plus tax with free shipping. Just thought i would pass it along.
https://www.att.com/shop/wireless/accessories/cases/sku5190308.html#fbid=s4PlHefH2lK
https://www.att.com/shop/wireless/accessories/cases/sku5190308.html#fbid=s4PlHefH2lK
Proof