Singing Career, what do you think?

I know i have some form of talent... im not the best, but i don't
suck. I just need to make a choice, is a career in singing the right
path for me?

http://www.youtube.com/watch?v=3XRQp93fyFA

from the video, what do you think...?

thanks :D
just a smidge of background info :)
I've been singing for 8 years, i am currently doing music at school
and have been for the last 4 years. in year 12, 2 of my 4 subjects
will be music - both performance based.