This may sound familiar to some others around here (I've been saying it a lot since I got some last fall), but if you toss in a set of Outlaw's
PCA cables when you get your 950 and 770, you'll be in very good shape indeed. Reasonably priced (particularly for the quality you get), and the 1.8-meter cables would be more than enough. You might even want to ask if the 1.2m PCA's are available yet if you go with them (I doubt they will be until after the 770 ships but I may be wrong, and it sounds like you'll need more than the 0.5m cables).
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Gonk