"We do need a circuit diagram for those of us who want to run higher power LED's"
I know almost nothing about electronics so take my advice with a large pinch of salt.LED systems.
For a neat ready made solution, look here:
http://store.jdrones.com/jD_IOBoard_p/jdioboard11.htm
I have used a few of these with no problems.
For a home made solution, use a ULN2003A Darlington Array 7 NPN 500mA, for example:
http://www.hobbytronics.co.uk/index.php?route=product/search&keyword=uln
Hopefully, there's a picture nearby.
AJH