Thanks capeklr and LooVille

I must say I am doing operations at the moment (On my own) and really enjoying it. Just ironing all the gremlins out before having others over for an op session.
As for the light, yes! I actual only really open the blinds when I am in there. The two main big blinds dont realy see sun on them because they are south facing, the others East. The biggest problem I had once when leaving the blinds open was track expansion

. Man does Peco track expand when in the sun

Cheers guys.