Fly both of them in Orbiter!
If like me you get disillusioned seeing all these things come and go or never get off the ground, get some relief and go fly them in Orbiter. http://www.orbitersim.com
Both the Vulkan and Vulcan can be 'virtually' flown in this spaceflight simulator. Their addons can be downloaded from http://www.avsim.com and http://www.orbithangar.com
Orbiter is a free spaceflight simulator for PCs. It comes with a variety of spacecraft in the initial setup, and many more are available for free. Probably the best add-on is 'To the Moon in 24 hours' - http://mysite.verizon.net/res0nnid/index.html
Checkout my own site http://www.virtualspaceflight.com for other orbiter and spaceflight links.