I have QA1'a which I bought from a mob called Chassis warehouse (proma stars, bearing not bush, single adjustable). Im sure they came in around the $850 landed a couple of years ago - not sure what the dollar was but wasnt quite as good as now. They sell on ebay as well. I have nothing to compare to but I think they do a decent job and appear to be well made.
If you search this forum (the US side) I have read few stories of issues with the Aldan shocks leaking.
