Hyundai Elantra: I'd read very positive things, but I was skeptical. The test drive impressed me. Better mileage and cheaper than the Matrix, with a better warranty. No wagon though, but then I saw this terrific piece of marketing:
http://www.elantratouring.com/
It's coming this fall. It would be hard for me to give up all wheel drive and some interior space, but that's how things are going.
I may have missed on the site what the fuel efficiency rating is for this vehicle. I'd definitely consider it as a replacement down the line for our Sonata. The Sonata has been a great car for us and gets around 28mpg on the highway, which isn't bad for a V6. Overall combined is about 23.5. I'd like for the next vehicle to be north of 30mpg if not 40, the latter being doubtful for the Elantra, but one can dream