To be completely honest I'm not impressed with the Diecast figures. I own a few and since the Mk 42/Iron Patriot the weight and quantity of metal in each newly-designed figure has been going down with every subsequent release. Figures like Battle-Damaged Robocop, Starboost, Shotgun, etc have all demonstrated they can offer exactly the same level of articulation and engineering in an all-plastic figure. Effectively all the Diecast marque gets you is some cheap pot metal parts and a fancier box - if the Iron Man Mk III DC is anything to go by, it doesn't even guarantee improved engineering over a standard release - for an $80 markup.
On top of that, I paid about $225+shipping for this version. I doubt a DC release would offer any significant improvements for the $100+ price hike, and in light of the Mk III DC release, might actually be a worse figure. By the same token I actually much prefer the look of the original all-plastic War Machine Mk I to the recently-announced DC version.
Thank you, I'd rep you if I could