[darren]

I'm guessing it's more due to the stores having bought a lot of inventory at higher prices, so they're not quite willing to take a loss on them just yet. Also, the X3 series has more amps and effects than the HD models, so that may be a factor as well.

 

[darren]

Did you notice that Guitar Rig Kontrol has dual inputs and the software can do parallel signal chains?