An Elan would make an excellent companion for the Europa. I like the Elise, especially the S1, but having said that, there really are very few cars made in the last 30 years or so that deeply interest me. Especially true of the big horsepower, wide tire, modern exotica, which always leaves me a bit cold. I've always liked the Elan, and since I've been a Lotus owner for the last 13 years, I've become more keenly aware of them, and developed a deeper appreciation of them. I like coupes, so my Elan would probably have a roof, but that's just me. Either way, there is something about the Europa and the Elan that makes them a perfect pairing. Like two gorgeous sisters; quite different from each other, but difficult to choose which one you are going to ask to the prom.
If I am ever so fortunate as to park a second Lotus in the garage, I think it would be a Seven. Another sister, not quite as beautiful as the other two, but if you take her to the prom, she'll go skinny dipping with you out at the lake afterwards.