Can a noob mine?

ditto

I've never done it but been around since Bitcoin was being mined by GPU.

Teasider

What GPU do you have? Im mining using 970 GTX and getting around 16mh/s
(mining calculator here - https://etherscan.io/ether-mining-calculator)

ditto

Which 970 GTX? There are many different models.

minerworker2014

@ditto Of course you can, I bought on the pre-sale, started mining a couple of months ago (Cloud mining and with a commercial computer) did great, now have a built for mining GPU. No one is never late...

Banksy

Etherscan provide great tolls for mining difficulties etc... https://etherscan.io/ether-mining-calculator

The difficulty is increasing on a daily basis though...