I don't have a Shadow yet but I did order one. Since I'm a way up North, coupled with our Postal strike, mine will likely make its way here way after everyone else has theirs. I don't need another Vapcap but I felt the urge to keep my collection as complete as possible. May God have mercy on my soul....
There are three basic models. The M is the least expensive model. It is made from stainless steel (SS) and is the heaviest of the Vapcaps, weighing in at around 20 gm. The SS tip of herb chamber takes longer to heat by a second or two and retains the heat slightly longer than the titanium tips. This feature makes it popular with folks that tend to use their Vapcaps outside since wind and cold temperatures have a cooling effect on the metal.
Most Vapcap components are interchangeable so you can create different models for pleasure and function. However, the SS tip is not fully compatible with the high end Omnivap condenser/mouthpiece assembly.
The midline models sport a titanium (ti) tip. It heats and cools faster. The interior of the tip has grooves that allow you to easily adjust the screen placement and the size of the herb chamber and the exterior of the tip has more air channels that are deeper and have a groove filed along the top edge. This creates a greater airflow and a slightly greater convection vs conduction result. The ti tip is more nimble.
The top of the line Omnivap is an all titanium beast. It has a genius design and is precision engineered. The Omni condenser/mp assembly is adjustable so you can dial in your airflow preference, set it and forget it. It also is more dense and creates a more robust build compared to the condensers used on the other models. This makes it extremely durable. In fact you can run over it with a truck. My Omnivap weighs 12.7 gm.
Beyond the basic models you can switch up their clothes or midsection and condensers to a short body and mp or a the longer stem or even a stem and mp to create the XL versions. With these changes you can have a 3.5 inch long Vapcap or a 4.25 inch long XL version. The midsections can be straight like the titanium Omnivap or you can choose a wood VonG midsection for use with water tools. The VonG midsections like all midsections can be used native like toking on a joint.
All Vapcap are incredibly versitile, efficient vaporizers. Your choice comes down to asthetics, budget and function. Vapcaps are LEGO for stoners. Collect them, switch them up and make them your own.