whats my next step..bestfriend...or my boyfriend??

Long story, but please give your opinions!!! My best friend is male, and we have been best friends for close to two years now. we have always been close and he had addmitted he has more feeling for me that just a friend but at that stage I wasnt wanting to risk ruining our friendship, and dont think I was attracted to him in quite that way. Then febuary this year I got into a relationship with my current partner and we have been together for coming up 7 months, its not long but its long enough to mean some thing. Hes perfect for me in so many ways, minus the fact hes not on my wave length and its boring 99% of the time. so anyway that was all good. then about a month to 6 weeks ago I started hanging out with my bestie ever 2 weekend and found that the more time I spent with him the more I fell for him and the closer we got. now im at the point where if im with him I cant let him go, I just melt for him and hes so much fun all the time! but my partner is like I say almost perfect and I dont think I have it in me to leave him(well not yet) I love him, but these feelings im getting for my bestie are just getting stronger and arent going away…any advice?? much apreciated!