i'm not too sure about the cargo containers.
The thing i'm liking most is the fact the contract system has had a huge overhaul, though it's still not sorting quite how i'd like it, but you can't have everything.
There is finally a confirm dialogue when cancelling a market order
PI should hopefully be less of a clickfest after the patch so i'm hoping POS fuel goes down in price because of that.
Otherwise i'm waiting for people to start moaning about the fact sleepers properly NOS now, and it'll be nice to get the cached results back from the API rather than an error.