I think 56 kicking 55 won't happen often until the host is a noob. Only different between 55 and 56 is Crown of Uberness, 5 stats point, and 1 skill point. 50 kicking 49 is a different story. If you're 49, chances are you're using 45 gears which is a big between 50 gears (rift, void, cosmo).