Some new data posted at netAces...
AH2 Speed Charts - PDF with AH 2 speed charts layed out on the same scale for easy comparison
AH2 Climb Charts - PDF with climb charts on graphs with same scale
MOSQ's Turn Data - Results of turn tests done by MOSQ.
This data is the data DoKGonZo used for his comparison page. There is also a link to that page.