I was in a similar mindset last year, I enlisted with an infantry contract opt 40 because I thought West Point was the only way I'd be an officer, otherwise I'd rather enlist. However, I was fairly wrong.
I was QNS'd, and as I got ready to ship off, I received a ROTC scholarship for being qualified. I spoke with admissions and they suggested I take it and I'd have a very good chance of acceptance next year. I decided I have my whole life to enlist if I want to do that, and figured I might as well apply one more time. I quickly applied to a local university and am now rooming with a friend from high school while enrolled in ROTC. Although the university isn't my favorite, I really like ROTC, which I never expected, and I have made some great friends. Becoming an officer seems to be the only path for me now.
So here is my advice: Apply to West Point and for a ROTC scholarship. If by some chance you don't get in the second or third time, I doubt you will want to keep reapplying, and you will be glad you're half way towards commissioning. I doubt you will regret doing ROTC, and I think you will realize there a lot of people that will help you get into West Point through ROTC the second time. My PMS was really helpful.
Just my 2 cents.