Starlight 1818, a few thoughts?
Although the eRoll is intriguing, there are a few gotcha's that kept me away from this:
1. The 90mah batteries. If you are more than a casual vaper, you will by necessity be charging the hell out of them. I can't see the life-span of these batteries being very great unless you are a very casual vaper.
2. The tank capacity. There simply is not enough volume to carry you through the day...or even a large portion of it...which brings up #3...
3. The PCC design. The PCC for the eRoll is an integral part of the system based on the very small battery. The problem is that with no storage for more than one battery & tank, you have no practical way to carry enough vaping capacity to get you through a normal day, which to me, absolutely negates the portability. Who wants to carry a bottle of ejuice around or extra tanks?
I would recommend going to Spinfuel (
Spinfuel eCigs Magazine | The Art of Vaping) and checking out reviews, particularly the 777 Bullet. Although a bit larger than a typical cigalike, it still is very reasonable. With a 320mah battery with high output, 1.3ml capacity clearomizer, and good value ($49.95 gets you 2 batts/clearomizers etc.) its a solution that works well for hours of on the go quality vaping.
You
could go even smaller with a Panda Evolve, but the weaker (230mah), lower output batteries combined with a lower capacity .9ml clearomizer make me wonder if it would be a step up at all from what you already have. Closer to a cigalike with a mini-clearomizer.
Halo is just coming out with the Triton, an even more robust (certainly heftier than the Bullet) model, the Triton, with a 650mah eGo type battery and a sizeable 2.4ml tank (coils are replaceable). This might be large for what you are asking about however.
It did not take me much to get use to the thickness and now see how much better it is 
