If you are worried about how much things cost, look away now but inspired by this thread:
http://londonbikers.com/forums/shwmessage.aspx?ForumID=35&MessageID=194137
Have a look at this-Personally I dont care how much it costs, as long as I can afford it and as long as I enjoy riding my bike I will.
According to this it costs me £80 to go to Brighton and back. Pehaps thats why I am always skint