Received the following from Niels:
I've just updated the MindSqualls API to version 1.1. It now supports the new Color sensor from HiTechnic. Other than that there are many small improvements, as well as minor bugfixes, e.g. it is now possible to read the TachoCount of a motor.
MindSqualls is written entirely in C# but can of cause be used with any .Net programming language.At least two people has successfully ported it to the Compact Framework, enabling them to use it on a PDA (Pocket PC). That one should be hopefully implemented "officially" in the next version of the API.
MindSquals can be downloaded at www.mindsqualls.net