The Road to Mac OS X Vintage Computer Festival Southeast 2024 The following computers and operating systems were exhibited: Power Macintosh 7500/100 Copland D11E4 Power Macintosh 8500/12 BeOS R3 NeXTstation NeXTSTEP 3.3 HP Model 712/100 NeXTSTEP 3.3 Power Macintosh 9600/300 Rhapsody DR2 Power Macintosh G3 (B&W) Mac OS X Developer Preview 2, 3, 4