Glad you like it! Yeah, it's very loud, and light, too. When you get comfortable with editing patches, get the footswitch. It's a little unintuitive, but seems like it would be great to assign clean-modulation-overdrive presets.
I want to get the Katana 100W Head, but mainly because it has the smaller 30W speaker, and also has a dedicated acoustic channel. By all accounts they are great amps, but aren't quite modelers; they work more like a traditional solid-state amp, but with separate "voices" to adjust. They also have every Boss pedal on board, so all your effects needs are already met. Here's my recommendations for $200 amps: