Just got this in the mail today.
Its a scam but though I would offer it up for the rest.
Name 1: Charles Johnson
Name 2: John Grant
Keywords: Shopping Survey, Western Union, Wal-Mart, Winners, Time Horton's, Best Buy
Amount: $550, $650, $175, $2,925, $200, $3,850
Company Titles Used: Consumer Contact Group, Commercial Finance Department: United States and Canada, Pharma Medical Research In
Addresses: 6100 Belgrave Road Mississauga Ontario L5R 0B7, 1161 Dundas Street East Mississauga Ontario L4Y 2C5, P.O Box 365 Pickering Ontario L1V 2R6
Attached the Letter and the Check