We have hardware manufacturers and OEMs willing to crank out supported systems. The last barrier to adoption are retail chains catering to the Wintel monopoly. Read all about it in a thoroughly researched report by The Association of Open Source Software Companies of Portugal.
“We conclude that retail oligopolies are very prone to filtering new products independently of the likelihood of their acceptance by consumers when the new products compete with heavily established ones.
The Linux on laptops combination became viable relatively late, in terms of Microsoft presence. But having been technically possible and economically interesting for many years, it is still kept out of the market by the retail anomalies described in this article. That happens even in the presence of interested consumers and suppliers.
We therefore question the effectiveness of the existing legal framework (section 5) with the following statement: from the standpoint of consumers and suppliers, the behavior of a small number of dominant retail chains is not significantly different from that of a single retailer.
Regulators should evaluate the direct and indirect losses caused by this situation  and put corrective measures in place.”