monosyalbic chunkheads on par with Space Mutiny's Blast Squatthrust in TNG and beyond.
LOL! Great MST3K reference.
Besides the fact that there aren't going to be any of these mini-series or DVD specials for Trek in the near future, I think this would never work. I think anytime that Trek is relegated to TV mini-series or direct to DVD releases I would say there is serious cause to worry about the future of the franchise. Regardless of the failures of Enterprise and the past few films, Star Trek remains one of the most bankable franchises in the multi-media universe (thanks to a well established rabid fan base who has become accustomed to being treated poorly). Hell, Paramount is making great money off of DVD sales from 40 year old Trek episodes!
The problem with making a Klingon mini-series would be that it would be a mini-series which inevitably means it would be a low-budget affair that a network might take a chance on (they buy the rights and toss a little money to the producers --if it's a flop, it's no big deal because not much money was tied up in it, but if it sells well, it's a quick money maker that you paid little for and earned well from). With the small budget, the makeup and costuming would be below Trek standards, as would be the acting crew, which would probably be made up of a mix of no name young actors and established B and C list sci-fi and horror "talent".
Another problem with the acting would be finding good actors who would be willing to mouth the standard Klingon honor babble. Recall the last episode of DS9 (can't remember the title off the top of my head) when the senior staff is gathered to hear the news that the Romulans have signed a non-aggression pact with the Dominion; Worf's line is,
"The Romulans! I always knew they were without honor!".
Even Michael Dorn, the most experienced Klingon actor, has a hard time delivering that line without making it sound as kitschy and silly as it is.
Another problem would be hiring good writing talent with a very small budget, but if good writers were on the staff, there is a chance that they could really take something new and interesting about Klingons and make some thing that would both fit within Trek lore and be fresh and new.