What i will say it whatever option you choose,.. George, WCpro or Service CEO,.... they all beat paper, excel spreadsheets etc hands down.
The ability to click a button and see what work I have on the 2nd week in June 2010 is very handy,.... I'm now actively looking 3 or 4 months in advance and planning advertising 2 weeks before any quiet weeks, and trying to spread the overloaded weeks,.... something I could never do before.