If you are 8 months out from smoking you have whipped the addiction. Congrats!
Go to the top of this page and click "Forum Actions", then click "Generate Signature", and it will create a banner like the one you see at the bottom of my post. It's a good affirmation of how far you have come.
I am currently vaping a Provari with an Aspire Nautilus tank on top. For a backup, I have a Sigelei Zmax and several eGo batteries. You don't ever want to be without backup just in case something happens to your main vape.