530109 Opencart fixes

Hi I need someone who is an expert with opencart to review my store before I start uploading products. I started with 1.4.9 as 1.5 didnt seem to display in Chrome properly. I have all the basics set up but have been trying to get the product export/input module to work unsuccessfully. It s all installed but when using it it comes up with an error I cannot find. Fatal error: require_once() [[login to view URL]]: Failed opening required 'spreadsheet/excel/[login to view URL]' (include_path='.:/usr/lib/php') in /home/whatnotc/public_html/admin/model/tool/[login to view URL] on line 1708 While fixing this problem it would be good if you could review how the SEO is working and maybe install Auto SEO as well as any other beneficial modules eg facebook login. So that it is already for me to start using and so I dont need to play around with the coding any more. I also would like a slideshow module set up with a welcome message etc. Its mainly set up but maybe you will decide it is better to start from scratch with the newer version...your advice would be appreciated Thanks