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.. I recently spent over $3,000 for a Mac ..

I couldn't afford this dream computer..

I miss my Model II - Z80A @ 4mhz. It was a real sweetheart running Xenix.

I still own of those those computers. Mine is a TRS-80 Model 16A with a single 8" double density floppy and a 40 MB hard disk. It has the last release of Xenix with the upgraded C compiler that support long identifiers. I actually ported the Korn shell (1986) to this machine. My machine has 512K and a 6 MHz 68000.

I used this machine to bring up 12 UNISYS 1100 mainframes running UNIX-1100 from Bellcore from 1983 until 1986. It is still a viable 5 user machine with a functioning uucp connection. Before I had access to the internet, this machine provided e-mail connectivity via uucp with the smart uucp map implemented so I didn't have to memorize the full "bang path" to a given destination.

My Heathkit H-8 still works fine too. It has an upgraded Trionyx CPU, memory and backplane board. 64K of dynamic RAM in 4 rows of 16k chips...all hand assembled. It boots HDOS and CPM and is equipped with dual 1.25 MB 8 inch floppy drives. I never added a hard disk as the clutch failed in my car just as I had the money saved for the SASI interface board. Remember the Shugart Associates Systems Interface? It morphed into what we know as the Small Computer Systems Interface (SCSI) today.