[MatmaRex]

It totally is. I used to write custom CSS for IE to make drop shadows work (it didn't support the standard syntax). Now I write custom CSS for Safari to make drop shadows work (there's a bug where if you remove the node, its shadow sometimes stays behind).

[shukantpal]

And? Single data point.

[conductr]

Everyone else in the world writing CSS has to jump through the same hoops they are referring to... does that really fall under "single data point"?