The Gurobi standalone solver is now available. More information is available on the website www.gurobi.com. There is reference material online to peruse. I have some experience with using Gurobi, and although I have not done any formal benchmarks, on my models it has shown to be very competitive with the other leading LP/MIP solvers and remarkably stable. Gurobi seems especially attractive when you have a machine with many cores/cpu’s available (and soon we all have cell-phones with 16 cores).
Interestingly the shell is based on Python. I am probably one of the very few ones who remember ABC, a small language developed at the CWI that was in many respects the origin of Python.