I'm really getting into mountain biking, but i don't think my hardrock sport is up to the task i want. It performs well for what i bought it for (going to work). But i want something for more of a weekend rider, and when i find a course near me. Also, being 16, and having a full time job, i have a lot of extra cash that the girls don't get to see. Any suggestions on a new bike? i can get anywhere upwards of $1200+. Or should i just upgrade my hardrock and save the cash?