[Haskell-cafe] vector vs uvector

hi, what's the difference between the vector [1] and uvector [2] packages? should one of those preferred over the other? thanks, <sk> [1] http://hackage.haskell.org/cgi-bin/hackage-scripts/package/ vector-0.1 [2] http://hackage.haskell.org/cgi-bin/hackage-scripts/package/ uvector-0.1.0.1