For those that might still be interested, Wal-Mart has another batch of 325 Silver Edition's, available online for $89. I have no idea how long this will last, but probably not long.
Walmart.com: TomTom XL 325SE Silver Edition 4.3" Portable GPS with Spoken Street Names: GPS & Navigation
Walmart.com: TomTom XL 325SE Silver Edition 4.3" Portable GPS with Spoken Street Names: GPS & Navigation