Opacity

takes too much performence. The price seems to me a little too high.

PPC does not run Mac OS X 10.6... And it seems I can't run the app on 10.5, so it appears this is intel only.

I can't remember how I worked before I found opacity. It is simply genius! The possibility to use variables in the factories will give you a workflow you don't want to miss once you used it. Even the latest version is from late 2009, it still works perfectly on ML, even the GUI may look a little bit outdated. I own many other tools with nice GUIs (e.g. Sketch) but those can't even be compared with this app. Once you understood how Opacity works, you can't live without it. I would call it "the essential tool for web, screen and UI designers". Only one small thing I like to see improved: more factory locations (especially core FTP). Or release an API for other developers to write their own locations (using AppleScript, Shell script, ...).

This is a fantastic program- the factories and snapshots allow us to make a change to a background layer and then build a complete icon set in a few seconds.

takes too much performence. The price seems to me a little too high.

Very very very slow on bigger images. I tried to create an image with 1000x1000 Pixels and adding just a rectangle with a gradient is hard to handle with the laggy interface.

Why is this so expensive? Is it really "that" special and worth the high cost over other available applications?