The Magnetic Action Figure framework probably gives the ODST a little more bite than it was originally intended to have. Rather than there being a human head underneath, there's something of a cyborg noggin hiding under the helmet - UNSC recruitment agitprop, or simply Mega deciding to toy with a competitor's use of the Terminator license?
The ODST holds up about as well as any other magnet figure, though I think I'll personally consider neodymium replacements in the torso for improved long-term pose stability.