I've been using a standing desk for about 2 years, and I definitely focus better while sitting - sometimes I'll even grab a random table to really pound things out, because perching on a high chair isn't quite the same.
But I like standing for dealing with random little things (email and other reaction mode type stuff), and the standing desk also makes it a lot easier to show people things on your screen when they walk over.
But I like standing for dealing with random little things (email and other reaction mode type stuff), and the standing desk also makes it a lot easier to show people things on your screen when they walk over.