I'm starting out this year, and I recently purchased the same trimmer. I figure I'll buy the attachments as I need them and swap them until it gets too cumbersome and time consuming to make it worth while, then go buy a dedicated unit for each task.
If you plan on doing it a lot, I'd suggest going with the Kombi system, a few dollars more, but very easy to change things out, and i've heard nothing but good things about them.
2007 Dodge Ram 2500 HD Mega Cab 4x4 w/Meyer Plow and salter
16'X8.5' Haulmax Enclosed Trailer
2011 Exmark 29hp Kohler EFI 60" ultracut 6
2008 Exmark 31hp briggs 60" triton w/QDS Ultra Vac
2012 Deere 1026R/60" 7-iron
Honda HRX 21"
Billy Goat Truck loader
33 years old - Since 2007 - Solo - FULL TIME