Done that. Doesn't work :(
This was a bug in 6.1 Feature Pack 1 and it recently got fixed.
Thanks for the update!
Was this fixed as a hotfix or will this be in 6.2?
This will be available in 6.2 as well as 6.1 FP1 hotfix.
About default value for drop down, you can use placeholder text to display default text.