Toshiba Satellite S75-A7221
I recently installed Arch Linux on my new laptop. I'll be adding my experience installing on both BIOS and UEFI modes as well as hardware and the packages to go with it during installation.
This laptop has the Intel HD Graphics 4600 onboard. Install the xf86-video-intel along with mesa to get 2D/3D acceleration working. You will also want to enable multilib and install lib32-intel-dri to get hardware acceleration working on your 32-bit applications.