I found this as an interesting article on the HP site ,
The BIOS has been around for more than three decades. What made sense then is a weak link in your computing infrastructure now. It may be time to move on. More Via HP
As you deal with legacy technology and all its limitations, your IT staff will encounter more and more issues going forward: hardware compatibility problems, cost-intensive troubleshooting, slow boot and resume times, and limited pre-boot tools – just to name a few. Compared to newer UEFI systems, computers running the classic BIOS require a higher maintenance effort and are limited in their capabilities. We’ll get to the problems and benefits later.
There is no doubt: UEFI will replace BIOS eventually. However, many managers, IT personnel, and even enterprise architects are uncertain of UEFI’s origins or what it actually brings to the table. By the end of this article, you’ll have a clear understanding of this emerging standard and if it is worth your company’s investment.
A list of motherboards using UEFI instead of BIOS for sale now? Not many tho Newegg has 20 Motherboards
The brand that has the most UEFI-equipped is ASUS; a trusted brand of motherboard that many people swear by.