I'm thinking this is mist from a dodgy gasket on the TCT...any other thoughts or opinons before I start taking things apart? The mist is all over the top of the oil filter too.

 

From this pic, it looks like it's leaking from the top cover of the TCT. Is there anything above it, maybe from the VTEC solenoid? A little bit of oil goes a long way, so it's probably nothing serious. There's an o-ring in that top cover, but maybe worth putting a smear of oil resistant sealant around there too.

 

Looks like its been doing it for a while too - I'd get some <INSERT FAVOURITE DEGREASER> on it and see what happens after that.

 

Inserted: BRAKE CLEANER. Miracle spray. Cleaner, degreaser and hand cleaner all in one handy can