Just got a DG-320 in today. This is the first I have seen in person. So I'm going to do a bit of a write up and give my first impressions.
I had a chance to play it for about 15 min this evening and my first thought was... BOOOOM! This guitar has "mass bass". Also it is very, VERY loud. If you are shy in the jam circle this is not the guitar to start with. After I had a chance to play it for a sec I gave it a good look over.
The neck feels the same as the DG-300 and it is the same finish and workmanship as the 300. A solid guitar. The tuners and tailpiece are the same. The major difference is the D hole, extended fret board and tone. Nice arching on the top plate and the neck angel looks really nice. Came set up a little low and the bridge is the signature Saga stock bridge. (this leads me to the tone)... WET... This guitar has allot of different tones running around. I'm trying hard to put what I hear in to words. It is very full and has allot of low end. I can't say that it is a balanced sounding instrument. The bass is really hot and the highs are ring heavy. The mids are really not theremuch. Keep in mind this is right out of the box. Nothing done except tune up and play. I feel that with a good bridge, like the 300, the voice of this guitar will come out. As is set up now I hear the heavy bridge and all the harsh tones that come with the factory set up. That being said... If you like ALOT of bass and a supper loud guitar the 320 is it. My gut feeling is that this guitar will be hard to amplify. So if you are planning on gigging really do your home work before taking it live. For rhythm this guitar could be obnoxiously over bearing and the player should take care to play lightly knowing that they can play all night and not get tired. For lead this guitar rings out with long sustain and crisp attack.
All in all the DG-320 will make a fun guitar to play and with the proper bridge and set, like the 300, it will make a good guitar.
I know that I have given a very general over view so any and all questions are welcome.