So the quick answer is to wait for other motherboards to come out and see which ones have the PATA chip on the board??
Yes: most will have it.
What about booting from a PATA optical drive?
You should be able to boot from an optical SATA drive, but check the mobo and the drive online first, as some people are having problems.
If I have an IDE/SATA converter will I be ablet to boot off the IDE drive via the SATA controller?
I don't know.
Can I use a PATA optical drive in the IDE controller and just not be able to boot from it?
You should be able to boot from the PATA drive, as long as there's a slot the plug will fit in 
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