I watched Superman in SD last night, I enjoyed the movie but was really dissapointed in the film quality, supposedly it was filmed with the newest digital film cameras, didn't look that way to me.
I've seen U571 in SD and enjoyed it, there are so many movies coming out in HD it's getting hard to sort through them. This is a good site to get some news and reviews on some of the better HD titles. dvdtown
A computer once beat me at chess, but it was no match for me at kick boxing.