As a team we are many things, some of them bad. But one thing we have been this season is a "big game" team. This is why we've done so well in the cups and why we've failed when it has come to bread and butter stuff.
I think we got it right in the semi, despite an average first half. We got it right against City in the League Cup (twice). We got it right against United in January. We just need to get it right once more and it has to be Saturday.
Chelsea have been very decent in the past month or so, but they have ridden their luck massively. Hopefully Saturday will not be their day...