i like the k10 cos you have to think a bit more to do them up, no off the shelf stuff for them apart from lowering springs and shocks, there reliable, cheap to run, little underpowered, best get a 1.2 as this is much better than a 1.0, theres not much to talk about interior wise apart from a 1.0 super or a super s which has the best.
its all about character in them, theres not many about so there unique, you wont cry if you lamp it in a bush or the engine falls out, the engine bay is easy to work on, you can lift the engine up and mount it in the bay without the need for a crane. its the only micra that has a decent factory bodykit.
the only downside is some of them dont come with even a rear anti roll bar(like my 1.0l), its more than likely if you get a 1.2 it will come with a rear but still no front but one can be sourced.
go for it, ive got a k11 and a k10 and i think even standard the k10 had a more positive drive about it, it will be like a go cart when i sort out the suspention