hello ,
After reviewing your requirements, I've researched the aspects of the project as you've specified. As I see it you're looking for a web site that provides
-user friendly
-multiple filtration
-maximum information content on home page
- custom language
- sign in, sign,search and different blocks.
I believe we are best suited to provide you with the solution you're looking for that will not only developed website on platform that you like but will customized it if you want .
skill : php, all CMS of php , html, css, asp.net ajax , jscript etc
warm regards
egrowth solution