That's a nice budget!
Although I prefer turbos for their efficiency, it is quite obvious that the Elise is a better match for a SC setup.
Tripoint with an intercooler
OR
Ragnorak 280RR (if such a thing even exists) kit
borh fit in your budget quite nicely.
Fzust is getting the 280RR and mentioned that he'll have news for us in the near future.
So, if you're patient, sit and wait a bit...
