Thanks for the great program, I have been using it for years, and love it.
I tried the last alpha of the version 4.0, and it appears that all the UI text appears blurry (probably due to the fact its now being drawn with Direct2D, not GDI).
Here is the comparison between the old and the new:
As you can see, the new UI text really stands out of the standard Windows text look, and is harder to read.
I tried disabling "hardware accelerated rendering" in settings, but it didn't affect the UI text.
The same problem of text "bluriness" was present in WPF until .NET 4.0, where it was addressed after numerous user requests, and before shipment of VS2010, which uses WPF for the code editor.
Please consider this problem, because for many of the users (such as me) it may appear as a big user interface flaw. My suggestion is at least to make the "hardware accelerated rendering" setting affect the way the UI text is rendered.