The Alpha is a full-featured, all-purpose BC that garnered some admiring nods from test divers for its very compact yet very responsive power inflator in particular, and its overall valve system in general.

The Pro LT is built a little lighter than the Pro QD and offers fewer bells and whistles, but when it comes to performance, this BC is no slouch.

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IST’s GP-four thousand compass-plus is a full-featured wrist-mount computer with three control buttons make navigating through the system simple.

Tilos’ Gemini-A reg has a compact balanced diaphragm first stage and a lightweight, pneumatically balanced second stage.

SCUBAPRO’s Geo was the lightest BC in ScubaLab’s 2010 BC round-up.

“An awesome BC,” said one diver, which sums diver sentiment and why the Pro QD captured the Testers’ Choice for a jacket-style BC in the General Purpose category.

Wearing this BC at depth just feels good. It’s comfortable and stable, with good valve control and substantial buoyant lift in all sizes for temperate-water diving.