EP800 no measurements though
http://www.soundstage.com/equipment/axiom_ep800_v3.htm

EP600 reviews Feb '06 and June '06 only ones I can find.
http://www.6moons.com/audioreviews/axiom/axiom.html
http://www.hometheatersound.com/equipment/axiom_ep600_v2.htm

EP500
http://www.enjoythemusic.com/magazine/equipment/0306/axiom_ep500.htm
http://www.audioholics.com/reviews/speakers/subwoofers/axiom-ep500
http://www.hometheatersound.com/equipment/axiom_ep_500.htm
http://www.hometheatersound.com/equipment/axiom_m22v2_m2v2_vp150v2_ep500v2.htm

I mean if theres reviews out there recently of the EP800,600,500 that have measurements and is objective by all means post some, theres nothing out there. Like I said the majority or all of them are '04-'07/08