It may be time for a Commodore comeback. No, Lionel Ritchie isn't signing up with his old band. We're talking about Commodore, the venerable computer brand. A Dutch consumer media company is hoping it can tap the power of the VIC 20, the PET and the Commodore 64 to launch a new wave of products, including a home media center device and a portable GPS unit and media player. Yeahronimo Media Ventures, which has offices in Los Angeles and Baarn, the Netherlands, acquired the rights to the Commodore name late last year in a deal worth just over $32.7 million....