What do you like best?
What do you dislike?
The thing which every developer hates, debugging. Yes, debugging in netbeans is quite slow compared to other IDE, the other thing which requires improvement is, memory usage. It takes large memory compared to other lighter IDEs, though it is very efficient platform for development, still it requires improvement for memory usage.
Recommendations to others considering the product
What business problems are you solving with the product? What benefits have you realized?
Netbeans has many integrated dvelopments modules especially for java. It really works great in developing high-end products. There are many benefits for using Netbeans, like it is completed setup of almost all packages which you need for development, you can use only that module which you need during development.