Since you're going to be in Sarawak... maybe you would want to check out Sensei Haniff 5th dan. Ermm damn can't remember his place off hand. Or maybe you want to check out the dojo search in Aikiweb...
I know its there.
And since you're in the region, maybe you might want to visit Singapore once in awhile and train with Harry Shihan. I would recommend it actually.
If you do drop by peninsular malaysia, eg KL... you can drop by dojo in Bangsar, or alternatively you can visit Aikikai HQ some 5 minutes away. My dojo unfortunately does not offer any intensive courses only 5 1and1/2 hours classes a week, but I bet Shihan Yamada at the HQ would be able to oblige you.