Unspent / uninvested money might as well be on Mars. When the government hands out money, it soaks into physical goods and equities and drives their prices up. This is exactly what has happened over the past five years with “emergency” spending.
If you can find an original Model M locally and confirm it’s functional (and not too many plastic rivets are broken), it’s a fine keyboard. That’s as long as you can live without Windows keys. I mapped capslock to winkey and was happy with that.
A compatible USB controller is easy enough to find.