Gabor blogged about how IEs4OSX saved drupal.hu. I was impressed with his review so I tried it out myself. Now I don't have to boot up greedy 'ol parallels everyday just to update my hours in Quickbooks (It even runs activeX controls)! :)
I definitely recommend IEs4OSX.
I heard about MusicIP through a colleague recently, whose description sums it up quite well:
Wow. TextMate still blows me away with its features and bundles. It's the best value software I ever bought. I just discovered some more great features with SVN and CSS bundles on this pretty site: