Hi,
No. I've got a copy but I don't do much it much.
For the app I'm currently working on there are a couple of guys using it for the UI.
TBH I wish they'd use it less - it's great for animations etc but for the usual day-to-day form layouts it tends to produce overly verbose XAML and they can too easily inadvertently set up local values that override property inheritance :-{

>Do you use Expression Blend in the normal course of your WPF development?
>
>
>
>>>I got the meaning of bitsy/bytesy - just wasn't sure which bits of WPF you were talking about. But no - you wouldn't want to write a storyboard by hand - disregarding the sheer amount of typing it would also be pretty much impossible to visualize the end result. I'm sure the code in your example was not obtained that way. For what it's worth here's a bit of XAML generated by Blend which took about 15 seconds to construct. The result is neither useful nor pretty but shows how much XAML can be involved in something simple: