I just found this on the Xtreme web site, and it appears that they actually have them in stock and for sale;
Here is a link;
XM-5000Li Lithium Powered Electric Moped Motorcycle (60 AMP)
Quantity in Basket:none
Shipping Weight: 295.00 pounds
Select A Color
X-Treme's 2009 XM-5000Li comes with 21 Lightweight (60 AMP) Lithium Batteries, A 5000 Watt Rear Hub Motor, has a top speed of 60 MPH & can travel up to 90 miles on a single charge at lower cruising speeds. The Lithium batteries weigh far less than silicone gel lead acid batteries and can last 7 to 10 years with up to 2000 charging cycles.
Colors: Black - Blue - Burgundy Red. ETA is December 20, 2008. We will not charge your credit card until the day we ship to you.
The XM-5000Li comes standard with a 2 year battery warranty & 1 year on the rear hub motor at no extra charge.
The XM-5000Li is a DOT certified Motor Vehicle. This is NOT A TOY SCOOTER. It is likely you will need a drivers or motorcycle license to operate this bike. (Some states like Nevada require no MC licence, no insurance & no registration for electric mopeds or mopeds under 50cc)
This scooter comes with an MCO certificate that you take to your local DMV office and exchange for a title (pink slip) & license plate / registration.
Item ships by a trucking company. Shipping is free if you will pick it up at the nearest terminal or $50 to have it delivered to your door.
If you do not live in a major city we suggest you pay the $50 to have it delivered.
$100 discount if you pick this item up at our warehouse in Newton, Iowa - choose the "Pick Up Item Shipping method" during checkout.
Choose your color then click add to basket, now click checkout in upper right corner to purchase.