Windows 8 system stats on desktop

[Mr_S]

I've just installed Windows 8.1 Pro on my PC having been using Windows 7 for a couple of years.
I was using several gadgets on my desktop to show me stats for CPU, Memory,Network, hard disks and GPU etc.

Is there a program I can use to give me all this on my desktop or something similar?

The Task Manager Performance tab gives me most of what I want but not individual core stats or temperatures / Fan speeds.

Thanks

 

[Mr_S]

I'll have a look them all now, thanks for the ideas.