I can't speak to what Saster saw, but according to Greg Rogers the Ruby's internal scaler is very good quality.

Not quite the level of the best outboard scalers, but not chopped liver either.

Best,

Surround Music Fan/Computer Geek/Curmudgeon in training.
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861v4, HD621, Panasonic BD-P55K, Toshiba HD-A35, Oppo HD990, Dish Network 622, Pioneer DV-668AV-S w/ DVD Upgrades mod, EW Fontaine II (x5), Velodyne DD-15 (x2), Seymour AV Ice blocks (x7)