Nobody is ever going to replace them. Just like nobody can replace the Grateful Dead...not even The Dead! The jamband community is thriving though. There is so much good music to check out these days, with the same kind of atmoshere that was present at those old Phish shows. If your looking for that sort of thing. If your just getting into jamband music, check out
www.jambase.com That's pretty much headquarters for the scene. If it's jammy, it's at that site, check it out.
Wait until the end of Bonnaroo Quasi Mojo, you'll never know what hit ya!!