I post all my observations on eBird -- it's a great way to 
keep track of them (the new functionality is very flexible, 
and you can count species you're not sure of now, e.g. 
"empidonax sp"), plus you contribute to science.  It does 
life lists, year lists, county lists, etc. as well, and it's 
free!

-Derek Richardson
  College Park, PG County