I have had many of the planes you mention
Including the ultra stick (flying it now)
GP Big Stick was my favorite before an unfortunate meeting with another stick.
Tiger 2
Venus (my current pattern contest plane)
I think for a second plane any of the sticks would be great, or the tiger2. Also lets not forget the venerable 4*40
If you use a 11x4 prop on your .46fx any of the planes will have great vertical
Terry