Nothing personal but here are my thoughts on power adders.
1. Supercharged street engines are always way slower than they should be and are usually dyno queen hemi's.
2. nitrous is for guys that can't make it go fast any other way but probably the best choice because they can brag about how fast it goes but never want to prove it with a time slip.
3. TURBOS provide unbelievable HP but it seems like 9 times out of 10 when it comes time for a race they are broke down and being worked on. (more money spent).