Excited may be too strong a word, but I'm interested in seeing how the world of decentralised apps evolve. I like the idea of decentralising the web using plug and play home servers. There are a few projects in this space already (such as Sandstorm) and there are some existing projects that aren't strictly limited to dapps but could play a key role in the future (a few unikernel and meshnet projects spring to mind).