The 2008 data for Journal Citation Reports was released in mid-June  Some highlights according to Thomson Reuters:

In addition to adding over 400 new titles in the Science and Social Sciences Editions, the latest release will deliver:

• 350+ titles with their first ever Journal Impact Factor
• First ever update to new metrics: Five Year Impact Factors and Eigenfactor™ Metrics (available only in JCR® Web)
• More than 8,000 of the world’s most highly cited, peer-reviewed journals
      o Over 6,500 in the Science edition, and
      o Almost 2,000 in the Social Sciences edition
• The largest time-trend analyses ever available

Journal Citation Reports includes journals from 3,300 publishers in approximately 227 disciplines, from 60 countries. Here are some other interesting facts:

• Articles in JCR-covered titles were cited 30,991,827 times in the year 2008
• These journals published 1,009,837 scholarly items and 475,398 editorial, correspondence, news and other items.
• Our editorial team analyzed 44,025,768 cited references from journals and proceedings for this latest release.