I was just calculating my SCY times into LCM in preparation for summer nationals, and I noticed that the conversion times SwimSwam's classic converter gives me are vastly different than what their new "Swimulator" conversion give me. For example, for the 100 free, the swimulator conversion gives me a time 3.68 seconds faster than the classic converter (!), but for the 100 backstroke and butterfly, swimulator's conversions are 3 to 3.7 seconds _slower_ than the classic conversion. I hadn't expected such big differences between the two. Any recommendation on which one to use?