You can only undo once.
The FontShop Plugin Beta allows designers and other type enthusiasts to try out FontShop fonts directly inside Adobe® Photoshop® CS5 and CS5.5. You can preview any of the over 150,000 FontShop fonts for free, in the context of your own artwork. This is a great new way to find the perfect typographic fit for your project.
Installed it, and played around with it, it’s an awesome idea, made our lives easier as pixel-pusher. Also pretty decent execution for a beta software. Download it here.
Yes, fully functional.
If anyone from the Photoshop team at Adobe is reading this, please consider adding a global Snap To Pixel option that replaces all the other similar options sprayed throughout the UI. Just one global switch that can be either on or off that means every single action can be pixel snapped or not.
Here’s a neat trick to overcome Photoshop’s great shortcoming.