Blackstar HT-5 combo. Swap out the speaker. This should be plenty good enough to keep you jamming and feeling that tube vibe while your gone and yet keep your more expensive gear safe at home while your gone.
I have the new engl Gigmaster 15 head, and I dig it, but here in the states, its much more pricey then the blackstar, so I would recommend going with the HT-5 combo. Though the gigmaster combo looks plenty compact. I personally don't like how guitar, specially distorted guitar, sounds in headphones.