Let me take a stab at this one.... 

I dont know if its still do able but I pulled a old ordering guide to see
what the HP's up-charge would be for the user upgrade. 

MPE/iX & Image SQL user upgrades on 9x9 boxes 
A3286A option UAD - 160 to 256 User license $38,200.00
A3286A option UDW - 256 to 384 User license $14,080.00
A3286A option UAT - 384 to Unlimited User License $8,820.00

So to take your 939 from 160 to Unlimited for just MPE & Image through HP is
... $61,100.00 

That sounds like a bargain but its probably not worth doing since buying a
refurbished unlimited user box would be cheaper than upgrading through HP.
To buy an unlimited licensed 939 box w/ MPE/iX and Image would run you
around $7,400.00 and you could transfer all of your software from the old
box to the new box. 

Jesse
Cypress Technology Inc 
Re-Seller of HP 3000 Servers

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