I would recommend the IIe, because they are cheap, easy to find, and basically better than the II+.

That depends on your goals and skills, I suppose... Personally, I prefer the II+ because they are easier to repair (lots of discrete TTL chips rather than several LSI chips). I will admit that the ...

Any ideas on how to do a hex dump on these chips and then have the hex converted to assembly?

PALs are not like ROM chips - yes they are programmed devices, but the programming is a representation of logic equations, not machine code. PAL stands for "Programmable Array Logic".

PALs are used to ...