On a local second hand shop there's a great deal I believe for a Surface Pro 4 with i5, 8GB RAM, 256GB SSD and the keyboard included for 850€, but without the pen. The Surface looks in great condition. I just sold an Air 13 inch 2015 base because the screen wasn't good enough anymore. Had it for 9 months and it was great for couch web surfing, YouTube, etc. I'm looking now for a nice replacement: a tablet, another laptop (but with QHD screen), etc. The Surface Pro 4 could be used as a 3x1 for me: laptop, tablet and desktop connected to a monitor. The price is very appealing. It's 1175€ new for the same model, but without the keyboard. I'm saving 400€, because I'd have to pay 50€ for the pen. I'd like to try that although I'm not an artist. But I know the Surface Pro 4 has had a lot of problems and issues. On Amazon I read many issues. I like MacOS more, but it's becoming too expensive, although apple's computers can last a long time. I'm still using a late 2009 27 inch iMac as my main computer. It's awesome and very reliable. I'm scared of returning to Windows and seeing a lot of annoying issues. I can solve most of them, but don't want to. I want something that just works, for a long time. The 3x1 of the Surface is so attractive. I could make it my main computer and take it with me always! Use it in the couch or bed as a tablet, for example. My main concern is that: all the issues of Windows 10 or the Surface Pro 4. Will it be updated to the next Windows updates for the next 7 years like my iMac, which has received MacOS updates since 2009? How long does Microsoft support their Surface? If I went the Apple route again I would probably spend way way more. A Macbook 12 is nice for the couch but underpowered to make it my next desktop too. A Macbook Pro 13 2016 es too expensive. I want something light and thin. I also think the iMac can be used as an external monitor via DisplayPort. The 2009 model can. So, I was thinking, could I connect the Surface Pro 4 to the iMac via DisplayPort and use the iMac as the monitor? In theory I could, right? Thanks!