This is a link to a site i go to regularly and have trained with a few of the chaps on here. They are all renowned self protection people with real world experience either on the door or in the CQP industry. Bear in mind there are also some inexperienced people on this site too who really don't know their a*** from their elbow.
Here is their take on Wing Chun. Some differing opinions but as a system of self defence it doesn't always stack up (IMO anyway)
Anyway the best form of defence is offence.
Its quite a long read but there are some good points if anyone is interested in looking through it. You might find it interesting Missy
http://selfprotection.lightbb.com/Se...ight=wing+chun