Hi MGD
The quality of the fleet and operators you refer to does vary considerably and a number of the airframes have seen better days. That, I'm afraid is the nature of the marketplace.
However, don't make the mistake of assuming all the 'white' ones are the same. They perform very well and clock up figures that would make your eyes water. The MTV and 171 are very capable aircraft that require a minimal support footprint. I'd have no problem comparing anything recent from a Mil Design Bureau production line with a Western platform for suitability in Afghanistan.
Fly safe and maybe see you there during your next stint. Might even get you airborne in one to provide you with a more informed opinion.
Regards