Angels have the Phone Box
Here's something of which everyone should be aware:
Windows 10 to make the Secure Boot alt-OS lock out a reality | Ars Technica
Turning off the UEFI secure boot may no longer be an option, when you buy a system with W10 installed by the manufacturer. Seems MS will leave that decision up to the system manufacturer. This will affect those of us who dual-boot.
At its WinHEC hardware conference in Shenzhen, China, Microsoft talked about the hardware requirements for Windows 10. The precise final specs are not available yet, so all this is somewhat subject to change, but right now, Microsoft says that the switch to allow Secure Boot to be turned off is now optional. Hardware can be Designed for Windows 10 and can offer no way to opt out of the Secure Boot lock down.