You have or had the TL866 C or A model who could do higher eeprom voltages than the newest TL866 plus
The TL866 has its own thread here ...
it really depends of your needs, be aware there is no ultimate programmer, the higher you pay, more complex or universal they can get
The surprise sometimes come with the other ic's adapters you may need ....
The tl866 is a good starter BUT the limits will arise pretty fast EX: Microchip, STM32 devices etc ....
Examples
Had an TNM5000, made a huge mistake to resell it (was paid 250$ usd) now selling way lot more, but the adapters where very cheap and practicals
Bought an used Elnec Beeprog for 550$ usd, yes it does more, but very can be pricy for the adapters
Had many adapters and programers, Pickit 2 and 3, tl866, Mcu Mall gq4x, stk 500, STM Link v2, Avr dragon etc ..... had a drawer full of programmers
You have to know your needs before buying ... eeprom types or sizes etc ...
my 2 cents