Spiritelemental, Luminari provided some Meier video links here:
http://projectavalon.net/forum/showp...44&postcount=7
Yes, the Andromedans are more advanced than the Plejarans (according to the Meier material), so much so that they are no longer physical.
Looks like Alex's story about how the different Earth races come about is very different from Meier's, too.