My advice would be to do your research...that's what I did when I started out punting years ago, and what I did when I started up again earlier this year. Only you really know what kind of girls you like, what services are essential etc. Trawl through AW - yes, there is a lot of shit on there, but also plenty of good WG's who offer a very good service. Also, trawl through the reports on here, and I'm certain you'll come across someone that gives you the urge to spend £100 to fuck them.
Be prepared to have crap punts - it happens, but if you do your research thoroughly, the chances are lessened.
And lastly, don't expect anyone to hand you the names of their best girls over just like that - yes this is a punters forum for exchange of information, but I wouldn't let some random off the street know which horse is gonna win the 3.15 at Kempton. There needs to be some give and take.