PSD to Wordpress

I am in the process of rebranding my website [login to view URL] I would like to move over to Wordpress for content management and SEO. You can see the design at [login to view URL] - The features box at the top right. The idea is so that when you move your mouse over the 1/2/3/4 etc a different photo loads. You can then click the photo and go through to that relevant page. Should be able to be done with some javascript? - The calendar. This is a Wordpress plugin I would like installing, and can be seen running on [login to view URL] - The gallery image. This is the latest image from a gallery2 based gallery I have already, it just requires you to copy and paste in a line or 2 of PHP code. - The shop. I already have a Zen Cart installation, these would just be images in Wordpress linking through (manually) to categories within Zen Cart. - The forum posts - I have an existing phpBB forum and would like the latest 2 topics from 3 paticular categories displaying. There are scripts online which seem to do this fine so I guess it's just a case of copying and pasting some PHP into the template. That's the homepage design. There would be a template for an overview page. EG when you click Music, or Graffiti on the navigation, you'd go through to a page with all the categories within Music or Graffiti. These could be listed in blocks similar to the homepage. I would like another design to be used as some sort of "listing". EG, you'd click through to say Graffiti Interviews, and there would be a listing of all available ones to read, similar to [login to view URL] Then finally, i'd like the final content page. Looking to start with this ASAP. If you could give me an idea of costs etc, also if you need any more info on what the site is about and so on or any features explained in further detail. A portfolio with a few Wordpress themes would be a bonus.