g1smd - 7:19 am on Apr 8, 2013 (gmt 0)
I can highly recommend converting your RedirectMatch rule into the equivalent RewriteRule syntax.
That is a pain in the neck as it means every product needs a unique product name otherwise duplicate urls occur.
If you include a unique ID at the beginning of the URL, you avoid this problem.
Now would be the time to think about extensionless URLs. They are neat and are a great way of avoiding duplicate content issues. The needed code is simple, so there's no excuse to use parameter-based URLs these days.
Faced with a chice of
I know which I prefer.