The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
I know neither of them have them in stock currently but I would email them both and see what future availability looks like.
Also I hope you have a large tank ( 180 gallon +) available for these fish if you are serious about obtaining some because they grow to be 16" long.
Be prepared to spend some $$ too depending on the size of these fish they can be pretty spendy plus shipping will run $30 + . Big Malawi haps are worth every penny though in my experience, I commend you for wanting to stock something outside the norm.
Just as a side note if you aren't able to find them and are still on the hunt for a big yellow hap I'd recommend Exochochromis anagenys. They stay a little smaller 13-14" and the males get an awesome blue mask when they spawn.