We have the same one but the "updated & improved" version for 2011 (There's only a $19 price difference)
Amazon.com: 3l Best View Summer Infant Pan/scan Baby Monitor Redesign: Baby
I don't know what the big differences are but we LOVE ours. Even DH last night told his dad (he's visiting), "I thought this would be a complete waste of money, but we love it."
(We still use our Graco Angelcare recievers too because it shows temperature)
I don't think we're overly paranoid or anything but sometimes she talks in her sleep, but she's still sleeping. I'll open the door to get her and THAT wakes her up. I usually wait a minute or two to make sure she's really ready to wake up (if she is, she stands and starts knocking her pacifier on the crib while babbling) because 90% of the time I'll see her sit up, grab her blanket, and fall back asleep for another hour or two.