the blackstar's not all-tube, if it matters (far as i'm aware, anyway).
i wasn't too fussed on the laney lc series, though i like most of the other laneys i've tried. maybe consider a gh50l instead? if you can find one cheap enough (prices have shot way up recently, but if you keep an eye out sometimes you'll see one on offer at a price approaching the old price).
i'm guessing the peavey 6505+ would be too modern, too. and the valveking, while alright for the money, is not amazing. i think you can do better for your money.
another option might be a traynor yc50b on thomann. i've only tried the 40 watter (which is similar, just 6L6es and a worse speaker) and i liked it a lot. it's a pretty good price on thomann, too (£480, i think... at one point it was £400 though :( ).