http://msmvps.com/blogs/laflour/pages/net-tips-perfomance.aspxback to content INFO: There is very small performance difference in reversing array between Array.Reverse and changing values manually (although several manuals declare than Array.Reverse is two times slower). Such rumors relates to foreach vs for forenCommunityServer 2008.5 SP2 (Build: 40407.4157)