Amy,
Congratulations to your friends! Knitting a baby layette is definitely NOT
out of your league. There are many straightforward patterns available, so
you should be able to find one. I wouldn't look for anything lacy, and try
to find one in DK rather than baby weight yarn. Oh, and one more bit of
advice, I would use acrylic, as it is easier for a new mother to keep clean
than wool - no hand-washing required.
HTH
Katherine