What's the best Windows all-in-one or iMac for illustrators?

AT wants to replace her MacBook Pro with an all-in-one computer with a bigger screenI’m an illustrator, and I’m looking to replace my old MacBook Pro with a PC. I have a budget of up to £1,500, but would love to spend less if possible (about £1,300). I mainly use Adobe Photoshop for digital painting and editing scanned artwork, InDesign and occasionally Illustrator.For space and comfort reasons, I would ideally buy an all-in-one. I want a fast processor, lots of RAM (16GB