Hmm, I wonder why that didn't come up when I did an advanced search for Adamantium?
At any rate, are you aware of any adamantium weapon sets that have already been created? The mod you linked to looks like it has tons of armor but few weapons.
Khugan and I worked some time ago in an adamantium set. He did the real work, modeling and texturing, I just did the stats and world implementation. I, and as a consequence he too, lost our momentum and interest, I resumed work on my part and finished it too late, and thus the project remained and will likely remain unfinished. I defined a full armor set and all the standard weapons + a spear in the CS, with three magical variations for each and full implementation in the leveled lists, but the textures look like gray plastic right now. I believe I put the weapon's stats between elven and glass, and the armor was heavy and with stats a bit lower than orcish armor.
Maybe you could convince Khugan to resume and conclude work on it with a full professional team that knows how to get things done (unlike I), and our brainchild might finally be born. It has been a long time though, and I'm guessing he's moved over to Fallout modding and enjoying gaming.
Oh, and I voted for adamantium... but I don't mind MOBS compatibility, which seems like it will happen anyway, and how about some of http://www.gamesas.com/index.php?/topic/1118919-relz-weapon-expansion-pack-for-oblivion-nthusiasts/page__st__80__p__16712852entry16712852