Tommy Shaw, no stranger to fans of AOR, left Styx in 1983 to pursue a solo career. His first solo effort, "Girls with Guns" (1984, as if you couldn't tell the date by the cover!) is out of print and often fetches a remarkable price on ebay. For example, a used copy recently sold for $76.On Amazon today, the cheapest this CD was going for is $69 (1996 A&M release). Check now.
And if you are allergic to money, the reissue by Spitfire in 2000 is going for $550! Check now.
UPDATE (10-31-07): Another sells for $80 on ebay using "But it Now" option.
UPDATE (11-15-07): Another sells for $80.50 on ebay.