JTL files after non-GUI runs

[Wang, Harry]

I have a couple of JTL files that are hundreds of MB, so how can I
analyze the results after the test run? 
can I just load it through JMeter again?  what tools exist to help in
that respect? 
 
Harry C. Wang
Senior Test Engineer
AOL Mobile (Seattle)
Phone # 206 - 268 - 7502
Cell # 425 - 260 - 6891
AIM CDID hwang98109