GEEGEEZ.co.uk - a great site packed full of horse racing information includes System Trails, Matts own Blog, Stat of the Day and much more. If you are into horse racing this is great site to visit
HORSERACEBASE - a superb site pack full of useful info. The site can be either used for examining the days racing and breaking down each race by various categories or to create your own systems and angles. The price is a very affordable 12.50 euros per month. Take a look I am sure you will not be disappointed
NAG NAG NAG - a very useful blog and by the author of Festival Trends which breaks down big races by previous trends - has been very sucessful in the past