There are lots of good quality fountain pens. The thing is to find the right one for you.
Pen people often comment that Montblanc pens are over priced but they do write beautifully.
The Montblanc Mozart is interesting if you like smaller pens.
Anything made in Italy is good. If you like vintage stuff then look at classic US made Parkers.
Mozart compared to the other sizes. (smallest on the right and it "Posts" using a screw threaded cap)
German made Nibs. All Montblancs are tuned by a Nib Smith.