Extensis or autoFX Photo/Graphic edges

Which is better?

I’ve read the comments and they seem to go in favor of Extensis, primarily because autoFX slows down Photoshop CS. I’ve installed both demo packages and find no slowing of Photoshop CS. However, I realize this may be due to autoFX’ demo software not being complete, i.e. not allowing the transfer of images from Photoshop and only allowing one to play with images that are provided by them, whereas, Extensis offers a fully usable, 30 day trial version.

I like the ease of use Extensis offers, but prefer the (apparent) flexibility of autoFX’ package.

Looking forward to your comments.
Cheers,

Michael