Hi Jamie and welcome to the forum, its always hard to settle on a set at first, I think a lot of people myself in particular, get into a frame of mind where they think the next set may be just that little bit better, then we see another new set and think "I need to try those too", I have had well over 1000 sets in about 5 years so I know from experience that it can be never ending if you let it be.
At the end of the day I know I need to just get 1 set that feels comfortable to hold and stick with it. It is the only way to improve really, but I am addicted to just trying new darts all the time and know I will never be able to stick to one set, so I have to accept that I wont improve as much as I should while I am addicted to buying so many new darts.
So limited yourself to your 12 sets and pick one set out of those and stick with it. You can also try our weekly challenges to help keep your interest up:
http://www.dartsnutz.com/f40-weekly-challenges Having said all that you may find yourself wanting more darts from reading the forum and seeing other peoples darts, dont be weak like me and resist the urge to try more
Good Luck!