What to do with £500

wellbeloved747
wellbeloved747 Posts: 406
edited September 2012 in Road buying advice
No sure where to post this.
I am going to sell my mountain bike and I have about £150 to add so about £500 in total.

I was wondering what to buy I would like a tt bike but know I am only like 1/4 of the way there or should I buy a second road bike?

Any suggestions would be great