The E-620 is a very small DSLR, so it is not much larger than comparable cameras without handle with the battery grip! I personally take the handle much by him adjusts camera almost perfectly in my hand. Even the handle on the important grip points as the 620 is rubberized pleasant. This prevents slippage and gives a pleasant sensation when holding. The extra weight is to cope well in my opinion.
These offers of HLD -5 another trigger, this is so placed that it in edgewise Asked camera the actual trigger perfectly replaced .By a slider on the monitor side can be activated this trigger / disable. For the thumb is also an adjusting available. So you can comfortable using the camera vertically.
For me, the HLD-5 has only benefits and who does not become the E-620 to Globig that should not give up this battery grip. Quite clear recommendation.