I can’t remember how I got there, but the other day I actually ended up browsing around the Windows Marketplace web site. Windows Marketplace is one of Microsoft’s sites. It is essentially just a fancy shareware site (there is also hardware) where the software passes some basics test that it works with Windows. The reason why I bring this up is because as I browsed around the site, I noticed that there was a lot of freeware as well. For instance, clicking on the Game Downloads category and then sorting by price showed that there were several pages of games that were free. It may be an unfair assumption, but since they are on the Windows Marketplace site, I would assume that they are a little more reliable/compatible than other software.