Further to my questions ages ago re the Hot Cat 30 vs 100... Given the extreme price of the 100w head with matching box...im probably going to in the meantime settle for the almost affordable 30 watt version (note here in oz these amps are relatively a lot more expensive)...but am debating whether the head or combo is the best way to go. I heard both are exactly the same on the inside and also that you can plug a 4 x 12 or other extension cab into the combo. Has anyone tried this...because if you can then I might go the combo for smaller gigs then simply buy the bad cat 4x12 and plug that in as well for bigger gigs. Im hoping this may solve the issue of a possible lack of power for the combo in a larger venue (not volume but retaining a heavy fat distortion sound). Has anyone done this before?