Vello grip for 5D Mark III

I like the Vello grips and inquired with the company as to when the Vello grip would be out for the 5D mark III

Here is the answer:

Thank you for contacting the Vello Customer service desk.
We are estimating about 4-6 months for our retailers to receive shipment.
Vello Photo accessories

that is a long time to wait....
what else is out there besides the PIXEL?