PAD speaker cable differences

N.E.I. -- not enough information (to provide meaningful thoughts!)
Speakers?
Amps?
Other cables in system?
Distance from amp(s) to speakers?
Reproduction likes/dislikes?

Did you know there are MAJOR design differences between these two cable lines? One very important one (in terms of the associated speakers you intend to use them with) is that one uses 3-metal multi-stranded wire, while the other uses a single crystal solid copper conductor.

Let me put it this way: if one is right for your system, then the other isn't. If you try them both, and they both sound more or less the same in your system, with just minor differences, then neither one is optimum for your system. Keep looking ;--)
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Thanks Nsgarch,
So can you discribe what type of system each cable is "best" for? My problem will be I'm looking to go the route of SET's shortly and thus change speakers as well.

Do not buy either of them until you have your new system in place and get accustomed to the new components. You will be introducing too many new variables into the mix and will not know what part each is contributing to the sound. Use the cables you are currently familiar with and introduce each new component separately so you can gauge what each one brings to the overall sound. Only then should you use the cables as a way of adding or manipulating the sound in any way. Once you have a feel for what you are looking for after breaking in your newer stuff you should ask again for our recommendations. You are building a system not throwing together a bunch of parts like Frankenstein.

"if one is right for your system, then the other isn't". Wrong. Not necessarily. Both can be right, but you may still prefer one to the other.
Some think that Proteus is the most "neutral" Purist cable. Also, as far as I know, this is the first single crystal solid copper design from Purist. And,I think, you should add Dominus to your list.
In addition, since we are talking big money, I suggest you try other brands too; Stealth comes to mind.