Re: folders & hierarchy, using a combination of labels named parent, parent/child1, parent/child2, etc. works pefectly for me. If you're on firefox the Better G

Re: folders & hierarchy, using a combination of labels named parent, parent/child1, parent/child2, etc. works pefectly for me. If you're on firefox the Better Gmail extension will actually turn these into expandable folders. Its not the perfect solution - but it works more than well enough for me.