It would be nice if the worm hole effect showed when jumping to another system would be improved - the current effect is too simple I think.

This is how I imagine a perfect worm hole:

http://www.youtube.com/watch?v=w4EkG-Miv00&feature=youtu.be&t=4m27s
http://www.youtube.com/watch?v=5v69MVQIywk

That second one is actually close to how VO's warps look when the settings are maxed, except that it's more cloudy looking rather than being magic rings of light.