Yep, the 3 Masters.com channels seem to have recovered over the weekend and were no longer freezing.
But, there was no Veetle at the weekend, and the CBS channel kept freezing for me every 5 minutes or so, for about 5 seconds with no picture and sound. Still watchable, though. The picture was very blurry, however, compared to Veetle on Friday.
(Hey, what about that twig falling into Mickelson's putt, or Tiger missing a 2ft putt? Weren't they just vemmed?!)