The Ventana system is a closed one, unless you purchase a research 
application type of model, also they will not support other companies 
reagents. So you are on your own. Their system is good and you can select 
your own antibodies, but not detection. I have worked on all there systems, 
with the exception of the new in-situ
module for the last seven years.
                                                    Dana Dittus
                                                    Histology Supervisor
                                                     Abington Memorial 
Hospital
                                                     215-481-2609
call if you would like some more info off line