Digital BW, The Print

Sorry for asking a newbie question I'm sure has been asked many 
times, but.  I'm new to the B/W inksets, but have used Mediastreets 
Enhanced Generations Inks for quite some time.  I want to use a CFS 
for my B/W's also.  I use the Epson 1280 for color & I am buying 
another 1280 for my B/W's.   When I first started looking into the 
B/W inks I was aware of the Cone inks & system but not familiar with 
the MIS inks & the curves such as yours.  I was planning on buying 
into the Cone system, but have since been thinking the MIS ink route 
would be preferred.

The person that directed me to the MIS inks had previously used the 
Cone inks & has switched to the FS Neutral inks & prefers them.  My 
thoughts are the Ultra-Tone inks are the way to go, the fact of being 
able to print Matte (which I mainly use) or gloss, plus what seems 
like better longevity (than some of the other MIS inks) and to be 
able to print variable tones appeals to me.  A few people are telling 
me that I might be better off going with the Full Spectrum inks and 
using the Image Export Plug in.  They say that the Ultra-Tones & 
Variable Inks would be harder to get consistent prints.  My thoughts 
are the curves should be consistent from print to print.  I'm also 
trying to decide which of the blacks would best serve me.  Longevity 
& deep blacks are both important to me & I would like to find the 
best compromise between the two.   By judging from prints I see on 
the different websites I think I lean to a B/W print in the Neutral 
range.

I certainly would appreciate any insight you might be able to lend 
me.  I will be very grateful for any advice that might save me time & 
headaches