Well its been just a month since i started using so it is pretty much a small view.
Object management, and relationships are a piece of cake. Its easier than it sounds.
Coding in Apex is pretty straight forward. Much like Java. But there are a few issues with Eclipse's Force.com IDE Plugin.
Code management is easy. Visualforce has many tags, makes it faster to use. All data is stored on cloud, so it is pretty reliable.
Recovery of lost data is easy too. Overall pretty good stuff