I'm not sure what link you followed, jjj, but I've just downloaded a trial version of Aperture 2.0 from this link.
Maybe they just hadn't updated the links yet.
The links were broken earlier on today, obviously someone made a boo boo.
Well I've just spent some time playing with Aperture and I'm completely underwhelmed. LR with all it's irritating bugs and silly flaws is soooo much better a product. Also for some reason, Aperture adopts a different colour scheme to the rest of the OS ??!! Very confusing.
Also things like having to be a .Mac member to produce a web gallery! Is this iPhoto+ or a serious professional application.
Though something Adobe could really do with adopting is the excellent keyboard customisation that Aperture uses, for all Adobe's software. That's a nice way of showing the keys taken and how they are used. And the recognition of dual monitors is definitely where Aperture makes LR look a bit naff, esp. on a Mac where LR gets very confused by two monitors and cannot even do full screen across entire desktop.
Oh and it's not even faster than LR 1.3, seems a lot slower on imprt + rendering. I just tested both on the same couple of folders. LR flew through the import and preview building compared to Aperture.
Here's a link to the Aperture tutorials, this one being the keyboard customisation
[a href=\"http://www.apple.com/aperture/tutorials/#intro-keyboard]Aperture lessons[/url]