To cut a long story short I now own Kev's (Nocaster) self built 18w Marshall clone head. It truly is a great wee amp but I have GASed on something else and have other amps that do a very similar job so considering moving this one on. As a result, I'm seeing if anyone on here is interested in it (albeit I'm not in THAT desperate rush to part with it).
Here's Kev's thread about it all and it is still in exactly the same condition as it left him (i.e immaculate). I'm an electronics guy by day so I've checked everything over and component wise and build wise it's A1 and a great job: