if your goal is commercial flying, then I don't think that the BA club have any complex singles or twins which are needed for the CPL/IR training
Well BAFC has a "slightly complex" single (albeit not retractable) in G-ODAK, the PA28-236 Dakota which has a CS prop anyway, and I think there is still a twin Aztec G-BFBB, but overall I would tend to agree that WAC has more twin activity, and I am sure they too would be a good choice so you should absolutely check out both clubs (I am sure most people would).
Andy
