Aperture 2.0 is out and the list of "100+ new features" makes apparent that Apple has been listening to users.Check it out.
My favorites at first glance are:
All-in-one Inspector and HUDMetadata entry shortcutAll Projects viewBroad camera support /Baseline DNG support (yes, that's cool, it means that even if you do not have your new camera supported natively, you can use a DNG to work from, and then when support is added, switch to RAW)Quick Preview modeRecovery controlVibrancyDevignette adjustmentsLift only adjustmentsDuplicate detection on importSupport for lens metadata (YAY!)Extended search logic in Query HUD/Keyword