http://web.canon.jp/imaging/eosd/sam...movie.html?low
If you watch that video ( find a suitable screen size for you.)
at the end they list lenses with screen shots that were used for which shot etc.. they use several L lenses EF85 f/1.2L , EF 70-200 f/4L EF100 f/2.8L Macro EF50 1.2L etc etc...
Of course it's a professional video with 20+ people involved, but they make the camera look fantastic for video.
I agree if I'm carrying other lenses etc.. I'll use the DSLR . I take most pictures when I'm by myself.. but perhaps your other half doesn't want to carry the big camera.. but if your packing already... might be fun for them to use the odd lens or 2.
It's not for me right now either.. I'll be upgrading my t2i to another dslr... but If I had some cash just for fun.. I'd be tempted