I was pretty much in the exact same situation as you about 3 weeks ago. I had a DRZ with 3x3 mod, yoshi rs2, rejet and loved it but I sold it and got a sports bike.
But I sold the zx6r and I wanted to get another supermoto that was reliable. So I was thinking of getting another DRZ but I got a 625 SMC instead and just looking at it you can tell it's a quality bike. Great build quality, WP suspension, brembo brakes, all braided lines as stock. Once you take the lid off the airbox, remove throttle stop and drill the ends of the stock exhausts out a 625 SMC makes around 55bhp and is about the same weight as a DRZ.
Also don't listen to people complaining about the vibration you get from a 625, when I went to see one for the first time I was expecting it to be really bad from what I had read on the internet but once I got on the thing and rode it I really never noticed much vibration at all, just what you would expect from a big single cylinder bike.
Saying all that, I still think DRZ's are great bikes, thats why they are so popular and have so many aftermarket parts to choose from. But before you make your mind up, you should ride a 625 SMC.
05 KTM 625 SMC
98 Honda Integra Type R