What i finally ran with, based on the best results was:
I installed OS and WoW on the SSD, everything else on 1gig seagate.
I used keyclone to link to ONE instance of WoW on the SSD, no symlinking just 5 instances of Wow
from the SSD and....
It rocks!!!
No following breaking in major cities, going thru potals takes under a second and game runs smoother.
Now I can play in Northrend without any issues!
Thanks Patriot!