[MetalMan]

The TP charger also has a "storage charge" feature where it charges the battery to 3.85v/cell (for Lipo storage). If you were to get A123 cells, this would possibly work.
The TP charger can also handle a lot more power, maybe about twice as much. The link between the TP charger and balancer is an enormously benefitting setup - the balancer can tell the charger to slow down (if there's a large imbalance) and you can see the individual cell voltages on the LCD display. One good thing about the TP balancer is that it has a high drain rate of 300ma for balancing cells, whereas the Hyperion LBA6 has a drain rate of only 120ma.