If the tablet's software isn't 100% open-source and hackable, I'd be worried on the long-term support from Fusion Garage.
http://www.carl-tracy.com/stories/44-computer-science/61--bi...
> 13.2 What are the eligibility requirements for PayPal Buyer Protection? You must meet all of these requirements: Use PayPal to purchase an eligible item Pay for the full amount of the item with one payment. Items purchased with multiple payments – like a deposit followed by a final payment – are not eligible Open a dispute within 45 days of the date you sent the payment – then follow the online dispute resolution process described below under Dispute Resolution Keep your PayPal account in good standing
That's from https://www.paypal.com/cgi-bin/webscr?cmd=xpt/Marketing/popu...
From https://thejoojoo.com/store/order/new
> We are only accepting pre-orders in the U.S at the moment. Pre-orders will ship in 8 to 10 weeks.
So not within 45 days of paying seems like no protection.