I like this: best enhancement I've found so far for the two-monitor user. And unlike like most screen-productivity apps, which typically promise much, look smart, wow you with a couple of snazzy tricks, then crash and burn taking the OS and a couple of hours of your time with them,
THIS ONE ACTUALLY WORKS.
MenuEverywhere follows your windows around like a faithful spaniel - a little slow off the mark but never far behind and just where it's supposed to be when you need it. And so far it hasn't crashed or misbehaved once.
It could be prettier, I guess, and like everyone else I'd like the second-screen top menu bar (promised by BinaryBakery - I'd like a second screen dock, too, of course - but then, I'd like my iPhone 4 to have the same network coverage as the cheapest Nokia - a man can dream!).
Takes a day or two to get used to and adjust to your liking, but worth the persistence. Very good value, very handy.

Did nothing but crash, including when installing its own updates. About as stable as a psychotic with a quart of Jack Daniels, an Uzi and a self-righteous nature. A lot of money for a lot of time wasted.