[quote=@Sublimation]
How would "unconventional" suits fare?
Like one that acts literally as a boarding plank by attaching to another with high speed and drilling a hole in for pilot assassination?
[/quote]

That particular idea probably wouldn't fly, no. To get into a position in which you would be able to board another MAS, you'd be an easy target for any point defense systems if they had them, as well as other MASs