re:  Are they $300.00 better than stock?

I think the best bet for folks with rectangular headlights (in North
America) is to replace just the outer lights with Euro versions.
There really isn't a viable option of a better bulb for the current
lens/reflector unit.  These lights have been previously discussed on
this list and are available.  The result will likely be just as good
as the four round light system and will certainly be a lot less work
to install.