Hello Guys,

Thank you very much for your answers! I forgot to mention which LEDs I'm talking about. These are the ones:

http://cgi.ebay.com/1-PC-10W-WATT-ST...item27ada81b9d

http://cgi.ebay.com/20W-White-Led-10...item27ad5b8aec

I'm only going to use them for about 3 hours a week, so I don't need something expensive.

Thanks!

Daniel.