I see an awful lot of advice, but no one asking the important questions.
1. What is your budget? Prices for those boats range from $1,500 used to $12,000 new.
2. What is your physical condition(how heavy a boat can you handle)? Those boats range in weight from about 165lbs to 350lbs.
3. How much do you weigh? Some of the boats are weight sensitive.
4. Will you sail or race with crew? How much do they weigh?
5. Where do you race/sail(lake, bay, river, ocean)? Some of the boats are better in waves.
6. Are you interested in expanding your racing by travelling?
You are located in Hobie Division 9.
There are regattas in Charleston(bay), Myrtle Beach(ocean), North Myrtle Beach(ocean), Columbia(Lake Murray), and Hartsville(Lake Robinson).