Oscommerce Mod Installation and design Implementation

Give us Hourly rates Please. i already have a oscommerce shop that has been running since 2003 and is a little outdated now this is my specs good clean design using nice shading light colors ( white , grey and gold ) online shop for records and mp3 downloads with different multi categories for both products CSS System for all pages non item related i.e. (about us/faq/contact etc) custom mp3 clip player to preview songs with voiceover for copywrite protection recently viewed items section bestsellers , specials top veiwed and top selling items for each catergory euro . us dollar , uk pound currency english , french , spanish , italian , german , Portuguese language payments methods paypal / credit cards / money order / cheque / gift vouchers shopping cart to have edit orders and voucher codes extras to oscommerce a bit like zen cart has customer support ticket system blog page gift voucher page html newsletter with last 32 products listed on the fly or choose by item number request a item return or tracking number link in customer order history page custom invoice sent to customers when they make orders banner space to sell in shop full postage system listing 4 different services around the world shop database export system with custom options to export anyway i like for bulk uploading stock to other sites in there specified format you will need skills with java script , ajax , oscommerce , php , linux and apache etc will be necessary i also want the site to be built in a way that will be best for seo thinking ahead adding things like site map , popular search terms , index all pages and making sure each item is also indexed as i have 5000 items in my shop live already also general seo and link building will be nesssasery multi item views modes with a choice of (fast view and gallery) let customer review the item they purchased this all needs to work for mac os x safari / firefox and leading pc browsers oh and before i forget very very tight security all round