@Iggy
I respect your opinion but from my corner I see this differently
I buy Tabor now (I already have it in fact) because it is suited for present functionality of AmigaOS. Tabor has 32-bit CPU and AOS4 is also 32-bit. Performance of Tabor is roughly 50% of X5000 which is OK for 400 EUR price tag. I do not think that 64-bit implementation of AOS4 will arrive anytime soon, the same goes for multi core support.
Tabor can accept 8 GB of RAM and it is a dual core system because P1022 is e500V2 dual core. So even Tabor as it is right now cannot explore its full performance under AOS4 which is designed for. Other things like PCIe slot and 800 MHz DDR3 RAM will make it fast enough.
So in my opinion....enjoy A1222 now, buy next thing when available and when AOS4 support it properly. Tabor is not expensive now so I can buy that next affordable thing again when available.
-Dooz
I'm feeling the same regarding AmigaOS 4.1 not keeping up with the new hardware. This makes it seem a bit risky and unnecessary to spend so much on new hardware, hoping it will get used "one day".
The Tabor, as you say, should be able to run AOS4 perfectly *today*. If there ever comes a time in the future when 64-bit is required, "Tabor 2" might be available for €400 (€800 spent in total), or you could find a used X5000 for much less than today. That day might never come though - maybe OS4 development will stop, or everyone moves to AROS or MorphOS, or Hyperion switches to x86-64 or ARM for AOS4. At this point, any of those scenarios seem just as likely as Hyperion suddenly adding 64-bit, multi core etc. and making Tabor obsolete overnight.
If you're absolutely decided to go "fully" AmigaOS 4 (no Linux or Windows PCs in your home), then obviously get the X5000 for that extra CPU power. But as a secondary system or "just for fun", while doing other tasks like rendering, video transcoding, gaming etc. on an Intel/AMD system, the Tabor seems like a more reasonable choice.