upload products from vendor data feed to magento site (cron)

We get a daily and monthly product data feed from our supplier. one is a text file format which receive daily, and another is monthly which has the product images. We would like to add / delete products based on the data feed, update the stock from daily inventory. the products data feed has product images, product name, category, (Brand name) manufacturer, manufacturer part #, UPC code, model #, weight, cost price, msrp, product descriptions (specifications). So we want to update the stock daily and update / add & Remove products monthly (should be cron job schedule) 1. add/update products from data feed (images, price, cost price, MSRP) & schedule to update daily / monthly a. products must be match and added to the correct categories already exist 2. show MSRP & show manufacturer name with logo and has link of the manufacturer to the manufacturer page, MPN#, Condition, model # in the product detail page - For example, the Dell product should have Dell logo on the product detail page and logo should have link to Dell page in our website to show all the dell products. -The MSRP, Manufacturer name, condition, model # are showing the product detail page under Additional tab, but we want to show those before the price. 3. share this feature (links) 4. image icon for Price Alert link for the product detail page. We have the feature, but we want to replace the text with image 5. Add featured products capability / function for the Home page 6. Create Custom Configurable products for Dell, HP (desktop and Laptops 6 models) 7. Change the Magento image & text from the ADMIN page 8. Fix Sending out Email confirmation