Wow, those are three distinctively different paths
Throw some water/meth on and get that thing dialed in. If you want a simple setup, just use a throttle body spacer. If you want an awesome setup, use 4 nozzles tapped into your intake manifold (See the Water/Meth FAQ for details)
Then get it dialed! Good tuning is a huge factor in making power. It's not all about what hardware you have installed.
In the background, keep working on your new engine. Sounds awesome.