I cant comment on integy as i have never used them, for the quantity you are getting for the price is very good and for that price they are probarly not great quality but will still work.
Dynamite do a set which i used a littl we while ago which are very good quality for money, should last you a good time.
http://cgi.ebay.co.uk/DYNAMITE-IMPER...QQcmdZViewItem