Or, as their email said:

We are offering 10% discount (Code "SUMMER10") for your entire order OR Free Domestic Standard Shipping (Code "FS006"). Coupon code can not be stacked. Offer expires June 15th.

They have a 10Hz (you need to set it, see note that SBAS makes it 5Hz): http://www.semsons.com/wigiwblgpsre.html

And a reradiator http://www.semsons.com/gpsreran.html

And other interesting stuff including a Ram Mount case that will hold the GPS and tablet and a few other things with a flex front. I use this to hold my n810, GPS and BT gateway on my motorcycle.