Originally Posted by Marius

If his budget is over $200 then he'll get more out of a more robust package like EWQLSO Gold. GPO is nice for starters, but he obviously wants really realistic sounds and an upgrade path, which GPO does not really offer, but EWQLSO does, that's why I just skipped the GPO and recommended its big big big brother.

GPO is also a very solid library though, just not particularly expandable.