Only one SSD at a time and it's the Executor. But I must say, it's quite a kick-ass feeling having it!
http://img146.imageshack.us/img146/4...2392679km1.jpg
http://img186.imageshack.us/img186/7...2384160nl6.jpg
Yes, those are the "big" imperial star destroyers above it, including Piett and Thrawn.