Introduced in 1979, the Apple II Plus was very similar to the original Apple II, but came with a brand new and very powerful Applesoft BASIC in ROM and slightly enhanced graphics and disk handling capabilities. Unsurprisingly it sported the same MOS 6502 processor and was fully compatible with a huge library of games and software.
What's more, you can grab a complete, finely preserved micro via this Apple II Plus eBay auction. The computer on offer is accompanied by the Apple Disk II 5,25" drive, an Apple monitor with its stand, the Apple Joystick, one 16k expansion and a ton of manuals, disks, books and extras.
Seller ships in the USA.