Well, let's see..................
The 320 is small ish,
The 321 is larger,
The 330 is really, really big.
That's a starter for 10
The 340 is long .... -600 really really long
The 350 is so ... stealth
The 360 and 370 are so invisible
and finally the 380 She is so ...Beluga that I prefer Jumbos