Ok, so I read through the rebate text a little more and the first requirement to qualify for the rebate reads: "Purchase a brand new Pioneer AVIC-Z110BT from an Authorized Pioneer or Pioneer Premier Dealer between October 16, 2009, and December 31, 2009." This leads me to believe that the rebate goes for brick and mortar stores as well as internet dealers.
Towards the end it reads: "IMPORTANT: This mail-in Rebate is valid for Internet purchases only from an Authorized Pioneer Internet Dealer." My first impression was that it was for internet purchases only, but I'm pretty sure it means on