Transparent Cable comparisons across both level and generation

I am considering a purchase of Transparent cables and have zero experience and knowledge of the different levels, which increase in price exponentially.  There are some older 'Ultra level speaker cables for sale that are 3 or 4 generations old.  They have them listed with the current Ultra list price which I suppose is irrelevant.  It appears that an 8ft pair could be purchased for around $1400.  My question to Transparent was how would that compare to a brand new Super 8ft pair for $2200.  Transparent responded via email and I called and talked to them and they said they NEVER compare both across generation and level.  They only say each new generation within a level offer an improvement.  I am disappointed in my first experience with this company to provide such a scripted response with no real-world insight.  All my electronics are Audio Research and I have spoken with several guys there over the years and they are always open to this type of comparison and speak honestly and genuinely with me.  All that aside, does anyone have such experience to offer recommendations as I am considering a purchase.  Thanks!
Dana