I thought I did want to carry a mac, and still do to a degree but the SMS and the AI amp are sounding better all the time like the review here. I also thought for the longest time I HAD to have a 3x12 w/JBLs (not true) although it looks cool as s*^t, it is heavier than I thought it would be. I am happy with where my rig is at but there are just some many options nowadays! SMS and AXE being the front runners in my 2010 wish list!
If you guys really want to get the best "Jerry" sound possible, get a lightweight McIntosh (60 lbs - its lighter than your speaker cabinet for sure). Get an MC2100 or 2105 or 2120. You won't believe the difference from the other amps out there. You can probably find an MC2100 for around $400-$500.
It's really hard to explain but anyone who's played one knows. It just nails the sound and is an essential part of the tone chain.
If you are somewhat unsatisfied with your sound but don't know why and you have everything else except a McIntosh (JBLs, Super II's, Fender Twin (or SMS Classic!) preamp, custom Cocobolo/Maple guitar, buffer, etc.), you seriously need to consider this. Even if you don't have any of those other things but are using a preamp>power amp, it will make it sound better. It is the best (most musical) guitar power amp available - hands down. Don't assume power amps are neutral and simply amplify the the preamp signal or simply drive the speakers. The power amp affects the tone as much as the wood of the guitar neck and body do or the kind of speakers (or pickups) you use.
And if you ever stopped using it for your guitar rig, you'd have an excellent home stereo amp!
Jim

