Search:

Yes I am.
https://postimg.org/image/7zg43281p/

JP to Honor should work. This NPC should exchange 500JP to 250 Honor Points on horde side.
http://www.wowhead.com/npc=52033/rogoc

Not sure if there is fps limit on Cata by default. On MOP you can limit fps with command: /console maxfps 30, you can go higher too if 30 seems working fine.
Try change also between DX9 and DX11.

It should be 32-bit at default. You need Wow-64bit.exe to run it on 64-bit.