I would say to get the Reo Grand LP. That way if you decide to go big like an Odin for an atty you have the ability. Also, you can carry 6mls of juice and the 18650 battery to last you probably a whole day (depending on how often you vape throughout the day). I personally am absolutely loving my RM2, .7 ohm 26g build wicked with KGD. It's simple, reliable, maintenance free, and soooooooooo flavorful! Hope this helps!