Apply the same skills to the sports markets on Betfair or Betdaq. If you do the TA thing, it works; if you do the FA thing, that works, too. Football, tennis, horses, F1, even X Factor!
Can get you a free £25 bet if you want to test ideas out.
i don't know any brokers who allowed weekend trading, however i check prices at weekend here www.xe.com - can check prices and prepare for my next week trading