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Three years later, the VIC-20 showed up as a cheaper alternative to the PET 2001. It was limited with 5KB of RAM (3.5KB useable) but it did have a 40-KB add-on memory cartridge. The VIC-20 did have a real keyboard and sold at retail stores (K-Mart) for $299.99. It also featured the first modem under $100.
The VIC-20 was the best-selling computer in 1982, with 800,000 units sold. It was quickly forgotten after the new and improved Commodore 64 was released in 1983.
Next came the all-time champion, the Commodore 64. This proved to be the first computer for millions (including myself) with all-time record sales of at least 12.5 million units although many estimates figure the number to be around 17 million.
The C64 was an 8-bit machine that ran on 64KB of RAM. Its audio and video were improved over previous computers and it cost just $599 when released - about half the price of an Apple IIe. Its price eventually dropped to $199. C64 was also marketed for the masses - sold in retail stores - repeating the success of the VIC-20.
The famous log-on screen of the Commodore 64. But this one isn't an original. A new company called Commodore USA obtained naming rights and is selling a new version of the C64 that is basically a shell covering a modern PC. Like the original, the new C64 can be connected to either monitors or televisions, however it offers 1080p HD and 6 Channel High Definition Audio playback. Prices started at $595, same as the original.