A little bit expensive at £30 ($55) as they usually go tested and working for £10 ($18).
"But it's an A600HD oooh.."
So what? You can (could) get the A600HD badges from Vesalia for £2 ($4) and "transform" any A600 into a HD.
If it's got 2Mbytes of ChipRAM it might be a good deal.