Jeff, you summed up my guitar life perfectly. I too have had that amazed stare from other band mates or jam partners about the size of my rig. Many times I just bring my MarkV combo and a couple of pedals, but I lose a lot of function that way. I also can't get a consistent sound day to day/ place to place. The AXE does sound like the way to go for me for sure, and I know it. That said.. 2 things still concern me. (They won't stop me from making the jump, but they do concern me)
#1 This forum is jammed full of threads about weird technical problems. Many dozens of them... and some of which I don't even understand. Stories of "I lost my presets" or "My AXE died", or "Weird buzzy sound" or all sorts of other issues. You've seen them all, and from an outsiders perspective it seems like a LOT of issues. Way more than you get with a simple tube amp (but admittedly not more than I probably get with my monster rack setup!)
#2 is the level of technical knowledge that the AXE seems to require. I don't know squat about IR's, or resonance this or that, and a lot of what I read in this forum goes right over my head and frankly, it is intimidating. Now, I'm a fairly smart fellow... was an electronics tech in the navy, and I'm good with math and science and so on... but I am picturing many hours/weeks/months to learn how to work this thing and be able to get what I want out of it. My other rig takes a lot of that too... but man it sure would be nice to actually play my guitar and stop being a guitar rig technician, you know?
I had the same concerns... and still do some days. Especially with the #2 you mention. As far as technical issues... well, I can say (knock on wood), that I haven't had any technical problems to speak of to date. Just remember that if you do choose to go with an AFX, you are not dealing with a traditional amp anymore. You won't have to deal with tubes going bad and getting all harmonic on ya, or having a screen grid resistor burn up and start your amp on fire (I've had that before) or anything of the sort. BUT, remember that you're now dealing with a computer and sometimes computers have issues (Except mine, cause I'm a Mac guy-hahaha!)
And that leads me to your #2...
I'll be honest with ya... I've had my AFX for a few months now and unlike a normal amp, I haven't even scratch the surface with what this thing can do. Have I found my "sound" as of yet? No. And this is one part of the real amp that I do miss. When I purchased my JSX amp, I played it and loved the feel and tone and knew that I had found the amp that would work for me. It had enough diversity in the tone of its 3 channels to pretty much fit for everything I was playing at the time... and still does. Being able to just reach down and turn the knobs and find that sweet spot... well, I haven't found that in the AFX yet. It is quite a bit daunting for me... and I'm not a stupid guy or anything either, but I am still wrapping my head around the fact that for every option you choose in the Axe, there's a hundred more things that can change that a bit... and then more options that can tweak that. Many parameters that I have not idea what they do, but they obviously do something or they wouldn't be there. Heck, I'm sitting here tonight pulling my hair out because I've been trying to tone match my JSX and cab for the past 4 hrs and I can't seem to get it. Ugh! I've watched the videos and read the PDF's and still I'm missing something. If I stuck with my JSX, I would have been playing and working on songs by now rather than figuring out how to wire this thing up and make this work... but I know that in the end, when I do get the hang of it, things will become easier and more fluid in how I manage my way around the unit.
In the end, I think that IF you can commit to working with it little at a time until things start to click and have the patience to try, fail, try, fail and try again... eventually you'll find something that you may feel is everything you've been wanting to hear. And with the selection of amps, cabs, mics and effects that are all stuffed away in this little black box, I'm sure the magic formula is in there somewhere. It's just finding the right combination, and that does take time... atleast for me. I'm not giving up yet, but I may be bald by the time I actually get my amp cloned into this thing. Haha!