There are cheeper solutions for this.....  €139 and thats the price witouth pedals, just the box.. Pedals are at least €50 each...
Have a look at the behringer 1010 or the yamaha MFC10 if you want to have great pedals...  Or the Korg EC5 which adds 5 switches to your pa3 or 4x  
http://www.thomann.de/nl/behringer_fcb_1010.htm  Its only €149...  And works very very well 
Some people might not want so many extra footswitches. Some people have specific needs that aren't addressed by the products you mentioned. That's why I posted a link to this product.  
True,not criticising your post, only giving extra information..
Just pointed out there where semi alternatives, and that the price is in my book over the top...  There also might be cheeper alternatives with less pedals, like the unit of Dom