Improve your link popularity...submit your site to link directories...create articles and submit them to article directories...try to find quality, trusted, relevant sites with good PR it'll help your site to produce PR as you don't have it yet and some sites are actually eyeing for those sites with equal or higher PR as their site...
Be certain on what keywords to use, webhosting is very competitive market, so I say target a keywords that you think you can get a good position.
You definately need more keywords to make it more visible for major search engine. also maybe a little bit more graphics would be more attractive.
Hello there, your site expired. so, you should renew it very first. If search engine crawler crawl your site this time, this site may go to Google send box.