Propus was supposed to be AMD's secret weapon but for some reason it was delayed all the way to late August. Originally, Propus was planned to launch in Q1 2009, but it got out more than six month after the original schedule.

If you look the usual price comparison engines, you can find that Athlon II X4 620 with its 2.6GHz clock and 4x512KB L2 cache and no L3 cache is available, for some €90+, here.

The faster version Athlon II X4 630 is listed here, but it is still not available.

Early Q4 2009 brings another, faster Athlon II X4 635 clocked at 2.9GHz remaining at the same 95W, something that is mutual to all Propus quads announced and planned so far.

Probably some OEMs got more Propus quads and they plan to ship them in its Xmas machines but retail ones are still shy on the market.