I recently ran across these minimum system requirements somewhere in the process of investigating the Amazon Visa to save $30 (which in the end wasn't worth the hassle).

<blockquote>
  <p>
    An e-mail account with an Internet service provider and e-mail software in order to participate in our electronic Communications programs; A personal computer (for PC's: Pentium 120 Mhz or higher; for Macintosh, Power Mac 9500, Power PC 604 processor 120-Mhz Base or higher), operating system and telecommunications connections to the Internet capable of receiving, accessing, displaying, and either printing or storing the agreement received from us in electronic form via a plain text-formatted e-mail or by access to our web site using one of the browsers specified above
  </p>
</blockquote>

<p>And these, too:</p>

<p>
  <a href="http://www.flickr.com/photos/veganstraightedge/2224332172/" title="Amazon's minimum system requirements for getting their Amazon Visa by veganstraightedge, on Flickr"><img src="http://farm3.static.flickr.com/2245/2224332172_4a39340a69_o.png" alt="Amazon's minimum system requirements for getting their Amazon Visa"></a>
</p>

<p>Good stuff there.</p>