Welp, sorry to disappoint you, but you've basically listed the best free RP MUDs.

AL and DM are the only two with most, if not all, of the features that you're looking for.

Since you mentioned you don't mind a MUD in development, I'd suggest that you take a look at The Cathyle Project.

The Cathyle Project features a built from scratch, all original codebase programmed in C++. The world and theme are also not only original, but synthesizes the politics of medieval feudalism, the culture of the renaissance and a spice of Victorian-era technology in such a way that the thematics of the game stay internally consistent.

As far as all of your other requests, they have either been implemented or are on the development list.

Stop by [/url] for more information.

As an Alpha Tester for The Cathyle Project, I suggest you take a look at the Forums. We're growing by leaps and bounds.

Armageddon is a very nice mud that fist most of your criteria, that I've been playing almost a Year. ALOT of fun, once you get the hang of it. Harsh, Brutal, DIRTY, but also amazing and

Harshlands was alot of fun, and Accursed Lands was not shabby itself.

But to Call DartMud RPI kinda hurts my feelings.
RPI to me is to see someone slaughtering an innocent NPC, and my light-loving warrior would bash your ass and take up for innocents and the weak. NOT to run around slaughtering NPC's for thier gear or thier money, and get the "Its only a Mob..." response. Not trying to badmouth DM, but really...

Just my own humble opinions, albeit thoroughly tainted by the other voices in my head.

Have fun! And I hope to see you somewhere soon.