I did that for a few of the 3v3 matches and a few pickups trying to find a good one.
EDIT: Found my solo casts (dunno how professional 2/4 are because ricey is in them :V)
http://www.own3d.tv/watch/673274
http://www.own3d.tv/watch/673358
http://www.own3d.tv/watch/673441
http://www.own3d.tv/watch/673523
Here are some multiple casts