Tandem riding

I was talking to my wife (Kristin) about riding together and what would be ideal. We both like recumbents and we would love to ride a tandem. But we also want the ability to split up and to ride alone, etc. So what would give us this ability? Well it appears there are a few recumbent trikes that can be setup as a tandem train like so:

So it occurs to me that Rans just released their Trizard (pictured at top) that is able to be linked as shown and is made in the USA. It also has Rans excellent support network and I happen to know a Rans dealer. Hmm, something to consider.