Higher impact factors for Hindawi's OA journals

The impact factors for Hindawi's OA journals increased by an average of 14% last year.  From today's announcement:

The Hindawi Publishing Corporation is pleased to announce a steady increase in the Impact Factors of its open access journals. According to Thomson Scientific's 2006 Journal Citation Report, the Impact Factors of Hindawi's journals rose by an average of 14% over the previous year.…

Of the 21 journals in Hindawi's open access collection that have been reviewed for inclusion in the Science Citation Index, nine titles have already received an Impact Factor, and seven additional titles have been accepted for citation tracking and should receive their initial Impact Factors within the next two years.