4+years of this craptastic system under my belt =D, and it never once got upgraded or improved in my time here (though the problem used to be getting into MUGSI first and THEN get onto SOLAR, now it's just SOLAR).
Goodluck D=, sometimes you just get lucky and it goes amazingly smoothly and quickly, other times is just......ya..
Random tidbit I've heard from some friends I knew on the 'inside' (out-dated info though so don't know if still true or if ever was): the server can hold around 250 people at a time, out of the thousands that attempt to go on, fun times