The Air Ram one suits me because there is no weight on the stick. Both Shark and the Dyson have the motor on the stick, which I found made them awkwardly weighted. The G Tech one has that weight on the bottom, which makes it easier to push.
The picture of the G Tech includes the handheld gizmo, but it doesn't attach to the upright - it is totally separate.
What Happened To The 'Brave' American Eagle Then?
. the charge lasts ages, and it has decent suction (although we don't currently have pets).