It's really nice using the Mac as a Mac on a big HD screen, too. My mini is my first Mac since my Quadra 840 AV: I jumped ship to windows 95, and it's good to be back.
I bought my DP to HDMI cable yesterday, hopefully it will get here sometime this week and I can start using it on the big screen.
Anyway, for me, no regrets with the 13.3". The proportions and weight are perfect. Big enough and fast enough to be usable but still one of the tiniest laptops ever made. The 11" compromises too much, and while it is a good upgrade from a netbook, I don't think it is a good replacement for the HP Envy 15 I had before. In some ways I kinda regret not getting 4GB ram, but I still think that Apples price is a rip off, and there are many other things I would rather spend a hundred bucks on, like 8 GB of ram for my desktop, for example.