All of the electric ones are basically toys compared to the gas powered one. Gas unit's 1100 cfm and 220 mph rating is substantially higher than the electrics and it shows in performance. The electrics can barely move a small pile of dry leaves. The gas one can lift sheets of wet, mucky leaves and move them around effortlessly.
On the other hand, I love my battery string trimmer. That's a device that seems perfect for electric as the power requirement is quite low and there's no carb to get all gummed up. The electric works every time and a battery pack easily does my entire yard trimming twice over, so there's no fiddling or stopping required.