ZIP+4 Vectors?

[imap at chesapeake.net]

I have a ZIP+4 centroid file from GDT cost $10k (shapefile format)
Unfortunately, this price is NOT a constant.   GDT changes their price
structure depending on who they are talking to, which IMHO is
a crappy way to do business.  

Regards,

Chris Stuber (mapsurfer)    
Silicon Mapping Solutions, Inc.

Trevor Banister wrote:
> 
> A little off topic, but in the past posters have alluded to the availability
> of ZIP+4 vector and/or centroid data for a price. Anyone have a source that
> is in shape file format, or something that could be converted to shape (E00,
> MIF, Atlas, etc.)
> 
> Thanks,
> 
> Trevor