On Mar 17, 2009, at 7:54 AM, Dazed_75 wrote:

> My recollection (frequently poor) is that the version number is te  
> important part as Linksys went to a cost saving reduced memory size  
> in version 5  and that is why it became so lame.  The upsurge of  
> people wanting to flash other firmware caused the release of the GL  
> model with I believe is nothing more than a version 4 relabelled to  
> not imply a regression.
>
> But I could be wrong :)
>
> Larry

http://www.dd-wrt.com/wiki/index.php/Supported_Devices

Specs on various models, and revisions within model numbers.