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My Olds wasn't cheap because I tried building it a few times before I figured out that I couldn't build engines. I had to farm it out to get what I wanted. There's probably $10k in the engine with room to grow (better heads, cam, and induction), but I ran out of money. However, when I pop the hood, I know there's a very slim chance of seeing anything like it in the same parking lot. THAT, is why I keep my Olds "Rocket Powered".
Swap "Olds" for "Buick" and you basically just summed up my Regal.
There are tons of LS swaps around here. I guess I'm too close to "the city".
They are everywhere here, too. Go to any car cruise night and there are dozens upon dozens of them.