The general comments from the Web is that G-Chrome has a decent speed. But my little experiment did not support that.
Mozilla Firefox 18.104.22.168: 23.765s
Microsoft Internet Explore 7.0.5730.13; 37.812s
Google Chrome 0.2.149.27: 138.046s
Google Chrome is the slowest by a large margin.
However for the decompression:
Mozilla Firefox 22.214.171.124: 0.625s
Microsoft Internet Explore 7.0.5730.13; 0.671s
Google Chrome 0.2.149.27: 0.115s
Google Chrome is the fastest by a large margin.