I have an older Vamo and an SVD. I much preferred the SVD until it died. It just seemed like a smarter device. The display on the SVD is brighter and actually useable outdoors, the VAMO display is not. The SVD will lock settings so they can't be accidentally changed, the VAMO does not. The SVD is three clicks on and off, which I much prefer to the 5 clicks on the VAMO. The finish on the SVD was in a different league than the VAMO I had. I liked how the SVD told you how the battery was doing when pressing the fire button. I also liked the telescoping feature, the removable drip well, and the ego threading which actually worked. I think the SVD is also much more attractive in appearance.
In the end, however, the SVD is no longer working (fire button is dead) while the VAMO, although too often flaky, is.
One big negative for the SVD is I actually cut myself on the battery cap on two occasions. A little filing fixed the issue but that's not something one should have to do. Also, the SVD is larger than the VAMO.
Please see my post near the end of this link. It covers my SVD nightmare completely.
http://www.e-cigarette-forum.com/fo...apv-discussion/520450-thread-innokin-svd.html