Check here dude...
http://www.lootfilter.com/it's an addon (also hosted on curse) that can select which items to keep/delete... perfect for setting up a speed Strat run to look for righteous orbs/pristine black diamonds/librams/orbs of deception.
I'm not sure if you have a repair mount but you could sell a lot of the crap at the entrance every time you reset?
I've got 14 lying in my bank that I paid about 600 each for (ouch)... they're now listed for about 300... if you're going for the achievement I'll let you have them, otherwise I'll wait for inflation and sell them during Cata