Drove an hour to get to a dealer with a GB who also has Boogie. It was worth the trip. The Shuttle 210 combo was a bad little dude! I don't care for the mounting system GB is using or the cable being pushed through a hole on top of the cab. But that didn't stop the little 210 from rocking. My drummer said he could feel shaking his pants at low volumes from ten feel away and anything that makes a funny feeling in his pants from ten feet, must be good! I tried the head on a powerhouse 212 and it didn't sound as good as it does on the GB cab. (IMO) I want to try the NEOx212 which they didn't have. If they would have I'd be $1400 lighter today. I also tried a Walkabout with a 15. The first I've seen around. Hate to say this but I think the Boogie was stronger and had the GB beat in tone. Not the walkabout 12, it was kinda poopy next to the GB210 combo. I need to compare the walkabout 15 to the Shuttle 6.0 w/Neox212. Anyone done this yet? I'm still liking the GB because it's not a "combo" and can be used with extra cabs where as the Boogie is want it is. But their both top notch gear without a doubt.