What about using the Feature to Raster geoprocessing tool ?
see http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/An_overview_of_the_To_Raster_toolset/0...
Steve Lynch
ESRI
i click on it a blank/grey window pops up, not the dialogue window that everyone talks about
how do I get the MIN of several grids in Map Algebra; neither MIN or MINIMUM in the help points to where that function is, and guessing the syntax only leads to error messages).