I actually really like the looks of the Philips. cool power meters, and 'OH SO COOL' touch sensitive switches.
It also has indicators for heat and protection, just like setton. but no clipping indicator. IMO, every amp should have a clipping indicator light.
The matching preamp is also one of the coolest, in my opinion. check out this page on it--
http://www.geocities.com/cdkands/ph572_1and, fmtunerinfo.com ranks the tuner (AH-673) #7 in their shootouts.