Mac ladies: Anyone use Aperture instead of Lightroom?

[Nettio]

So this might be a long shot because I don't think I've seen anyone mention Aperture here, but does anyone here use Apple's Aperture instead of Lightroom?

I'm currently using Lightroom 2 so I figure I'll need to upgrade eventually but since the App Store version of Aperture is cheaper than the Lightroom upgrade now, I thought I would check it out.

I've got about a week left on my trial and so far I think I'm liking it a lot more than Lightroom. It's kind of the old Mac vs PC debate - Aperture just seems to fit better with how I work.

But I've also heard a lot of complaints about Aperture's performance and such so I'd love to hear from anyone who uses it. How do you like it? Have you had any issues? Anyone try it and switch back to Lightroom?