If you use the Epson Glossy paper, with Ultrachrome inks, I believe the archival spec is 108 years. I don't print a lot of glossy but when I do, that's what I use.
For a less glossy finish, there are lots of options, the Epson Luster among them.
They've recently renamed all the papers, but you want the one with the most superlative name IE Epson Ultra Premium Hyper Special Totally Glossy and Awesome. I think that's the name....
Ilford makes some nice papers. Although not a Glossy paper their Galerie series in Satin Pearl is an archival paper and is reasonably priced and has a nice finish. I think you will find most of todays inkjet papers are archival quality. Just use pigment based ink.
Drive down to Sammy's in Culver City they have printed Samples of a lot of the paper they sell.
Nice area you live in
You know - answer that question is impossible as long as you don't mention what kind of printer and ink you're using - and what kind of images you wish to print...
I personally for my landscape prints use Harman Baryta AL - on an Epson 4800:
For portraits or fashion, Ilford Gold Silk:
Great place for printing info:
several articles on that site in regards to papers - like this one: