This was previously mentioned, but I wanted to add that I use Serotec's ED1 antibody in the same rat tissue for both double fluorescent and non-fluorescent chromogenic staining.  It has worked very well for us.
 
 
M F. Hannah  M.S.
Department of Molecular Microbiology & Immunology
Johns Hopkins Bloomberg School of Public Health
615 North Wolfe Street  Room  E3201
Baltimore, Maryland 21205
Phone: (410) 614-7794
Fax:     (410) 955-0105