I have been following the RoHS requirements and one issue I see rarely discussed is the "Tin Whiskers" issue. For those that are not familiar with it please see the following WEB site:
http://nepp.nasa.gov/WHISKER/background/index.htm It appears that with the switch to no-lead that the reliability of the equipment will be substantially reduced. This appears to be what happens when politics drive science. 73, Bill Bordy NJ1H