Drupal is growing in popularity in the blog world. There are very good reasons for this, reasons I will go into in a future post. For those already won over you need to decide if 4.7 or version 5 is the right one for you. Wondering if you should upgrade to Drupal 5? Dries has been doing some comparative performance testing
The benchmarks are in, and the news is either great, ok, or bad depending on your site. In the end, it comes down to caching; is your site the type of site that can make extensive use of caching? If yes, great! If your site only has authenticated users, you might see a slowdown. D5 gained flexibility and features. For some, there is a small price.