How toBuy a BCA buoyancy compensator can be your buddy or a pain in the you-know-what. It can make a dive easy and enjoyable or a chore. Choosing the right one requires a little planning and thinking.Scubapro Classic ExpeditionIn the new Expedition BC, the company has incorporated an integrated weight system into a modified and updated version of its Classic BC.Women’s BCsThere's definitely a trend in women's BCs--all of the units we looked at had integrated weight systems. Of course, you don't have to use them but they are a real plus for women.The 17 Most Popular Tech BCsA description and comparison of 17 of the most popular productsMeltron's Stratus BCCombining tremendous freedom of movement with tank stabilization, full adjustability and a rugged, low profile design, the Stratus fits like an old friend.BC Buying BasicsWhen Scubapro introduced its Stabilizing Jacket many years ago, it altered the course of buoyancy compensator development forever. Seemingly overnight, the BC became a necessary and integral item of function and comfort.Sea Quest BalanceWith its aptly named Balance BC, Sea Quest has upped the comfort and performance ante again.Scubapro's SeaHawkTekkies, however, are not the only ones who will appreciate the SeaHawk's integrated weight system, back flotation and modular construction; these features make this BC suitable for a whole range of diving conditions.Diving with the Diva QDBCs with integrated weights have been around for a while but the Diva QD is one of the first that offers this convenience in a BC made just for women.Scubapros VenusA back inflation unit with an integrated weight system, it was designed especially for women.Mares Frontier XKMares Frontier XK is perfectly suited to a wide range of diving conditions and activities.BCs You Can Travel WithA description of the brands of BCs that travel most convenientlySea Quest Air SourceSea Quest has completely redesigned its high performance octopus/BC power inflator, the Air Source.