Digital BW, The Print

I've been lurking for a few weeks on the piezography list, and am 
brand new to this list.  I've been thinking about getting the 
nomorecarts CIS system for the 1280, and using the MIS pigs with it.
Have any of you folks had good results with this combination.  My 
printing consists mostly of b&w imagery, with occasional full color 
printing.  I have been getting great results, 90% of the time, 
printing b&w imagery with the full color set of epson dye inks. I've 
mainly been using somerset photoenhanced, but just tried the LPM and 
am impressed with it too.
Have many of you experienced clogged heads of microbanding with the 
MIS pigs.  That appears to me to be an occasional problem with the 
piezo inks.  Also, can anyone give me their impression of the 
difference in look and feel of a print comparing the same print with 
the piezo inks and the MIS inks, printing a b&w image with the full 
color inkset.
I could get another printer to use for the occasional color print, 
but it would be easier and take up less space to try to do it all 
with one ink st,(hopefully the MIS).
I've only seen a few samples of piezo prints, sent to me from IJM, 
and while the detail was extremely good, the entire print had a 
flattness to it, no 3-d quality at all.  The b&w prints that I've 
been making with the epson dyes, have a beautiful 3D look to them 
with a great sense of depth.
Any comments or suggestions would be greatly appreciated.
Thanks
David Aschkenas