So... I've been running a Genz Benz Contour 500 head into 2x Hartke 112 Hydrive cabs. Lovely punchy cabs, great little head. I found myself wanting a more valvey tone and just a little more headroom... Cue me deciding to give the Hartke TX600 a go... First impressions: This is a nice, modern looking amp. The single handle is a nice feature and the chunky dials with back lighting look good. On the flipside, it seems like Hartke have decided to change their visuals. Sitting on top of