You might be interested in this. http://www.scriptspot.com/bobo/mel2mxs/mel2mxs.htm "This document follows the MEL User Guide describing the concepts and usage of the Maya Embedded Language and presents the differences and similarities in syntax and usage to the 3ds max scripting language - MAXScript (usually abbreviated…
OOh, it's simple (for me, I'm not sure about you huhu): the ability to add buttons linking to external mel scripts and internal mel commands. If you make the ui permanent, and customisable to that extend, that would be terrific.