I work with and support a lot of different personal computers.
MacBook Pro Retina: 16GB memory, 1TB SSD. I use this for travel projects and edit with Final Cut Pro 7 and Final Cut Pro X.
Mac Pro: 22GB memory, 1TB SSD, 8TB RAID, 8TB Archive drive. I custom built this Mac for video editing using Adobe Creative Suite 6.
I work with Windows PCs also. I use Windows 7 and Windows 10 under Bootcamp and Parallels Desktop.