All Enchanting Supplies(vendor) now sell Enchanting vellums for 8 silver each, and on my server they still sell on ah for 5 gold+ per.
Some links for the vendors.
Dalran - Ildine Sorrowspear - NPC - World of Warcraft
Org - Kithas - NPC - World of Warcraft
Stormwind - Jessara Cordell - NPC - World of Warcraft
I've managed to make 2k gold today by selling these, not the best way to make gold but quite decent.