Wiley InterScience journals now have RSS newsfeeds (marked-up example):
Journal of Mass Spectrometry: http://www3.interscience.wiley.com/rss/journal/6043
Rapid Communications in Mass Spectrometry: http://www3.interscience.wiley.com/rss/journal/4849
Mass Spectrometry Reviews: http://www3.interscience.wiley.com/rss/journal/49879
Seems to be broken 10/8/2006.