Busch + Müller IXON / IXON IQ Akku-Set - 492A/2100

Best set I've got, including the Eneloops. These are very good quality cells indeed, with low self-discharge rates when left charged and unused, and a decent capacity.
As with all cells, they are best charged in a charger with a channel for each cell, rather than in series, and charging them in under 2 hours will shorten their life.