Just piling on to the Costa Rica love! We had a great trip there - we only did the Osa Peninsula (flew in to San Jose, stayed overnight, then flew to the Osa). It was so beautiful. Its a great country to travel with little kids- everyone was super helpful and sweet to my DD. We didn't drive at all- hired drivers to get us from place to place - the roads are rough, esp. in the Osa. We'd love to go back.
Yeah, I got weird cancellation emails too when booked my 7 nights, even though it was the same category etc. The reservation looks good in my account, so I think it all will work out (will let you know in a couple weeks when we take the trip!)