I'm really enjoying my Shuttle 9.0 as well. I've had it for several months now. I use it by itself direct at church and home recording and then with a Golight Marcus Miller 4ohm 4x10 with a couple of bands. Like Red Planet said, I think it mates really well with the Golight cabs. I also had a Golight 2x10 for a while, but personally prefer the sound of the sealed MM Golight 4x10 with the Shuttle 9.0 so I use it 100% now. Super versatile great sounding amp, imo. Here are some direct clips I've done with it recently using a Carvin SB5000:
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Those are SB5000 -> Shuttle 9.0 -> DI out to Line6 TonePort UX2 -> Reaper on my PC. All the EQs are flat, no signal shape switches engaged. Gain is at around noon, volume dimed. I think the amp sounds great with a flat EQ, which is the sign of a good amp, imo.
Here's a pic of the rig:
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