Originally Posted by Soeru

Uh... you're still going to have to crank the 60W at wall-quaking volumes to get powertube saturation. 40W also wouldn't make that much of a volume difference right? I mean who cranks their amp volume past 11 o clock?

The difference is probably only in the poweramp, it's safe bet that they sound alike. I hear newer TSL's and DSL's have tons of reliablilty issues due to cheap manufacturing, you might want to look into older models or something.