David -
I play through PAs a lot or through a mic'd amp through a PA, but I do have some preferences based on what I play.
It all depends on what you're going to use it for and what kind of mic and peripherals you use it with. Given the choice, however, I like to have more bottom.
I replaced the stock speaker in my '70 Princeton Vibro with a Jensen (I think its a 1034) about a dozen years ago. The sound is much improved and guitar players still covet my amp all the time. They tell me it's too good for a harmonica player.
I'm sure you can probably do better than that with a more contemporary speaker - technology has improved them since then. This is a 12, so it made a big difference. I also use a solid state rectifier (which people say is a mistake but it's also more dependable). I use a Danelectro delay pedal and a 60's era ceramic Green Bullett when I play Blues and go with the cleaner sound when I play Jazz (using a Blowtorch low-Z clipon mic and no delay). Sometimes for the small venue jazz stuff, I just use a small Dean Markley when I want a really clean sound.
I bet either Weber would be just fine if you have the right combination of components to get the sound you want.
Mark Russillo (a.k.a. The Rhode Island Kid)