The problem with policies is that for the most part they are copyrighted which prevents most people from placing them online.  However, there are some private sites that you can register with and gain access to the forms. FC&S Online and ISONet to name a couple.

Since you asked about the HO-A and TDP -1, Texas policies here is a link to a pdf provided by the Texas Fair Plan that contains some good information on these policies.

I found my .pdf files of the Texas HO and Dwelling policies.  They are not copywrited but are approved by the Texas Department of Insurance.  I would be happy to submit these to be filed in a library somewhere so adjusters could access them.  If anyone needs a copy, e-mail me at adjuster@arn.net.

I have most of the forms and endorsements in pdf format including all the Texas Forms that I would love to put online but cannot because of the copyright.  We do have a file library here on CADO,  it is under the "Home" menu drop down above  titled "Downloads".  All users are invited to use it and add their documents. I stated once that I would move the 100's of other documents that have been contributed to the community via the forums to that library but have not had the time yet.

http://www.iii.org/individuals/homei/hbasics/arethere/?table_sort_560520=5

Here's a site that gives a broad overview of different cov forms, and also has a pdf of the HO3 Edit 10/00.