I rather like that the colours are quite nice but I think that it's lacking that little boost, have you considered giving it a bit of tone mapping to give it that little boost
Matt
MWHCVT
very nice scene you have done well, love the comp with the diagonals emanating from the corners, I have done a quick colour boost
Ah soz I did another edit below whilst you were replying I also straightened it up
Ah soz I did another edit below whilst you were replying I also straightened it up