Here is the only thing you can be absolutely 100% sure about regarding Lotus prices: no matter what you pay, the next day someone will post here that they paid $5,000 - $10,000 less for the exact same car. Buy it and enjoy it. Very few cars are good investments, and not too many Lotus have gone up in price, so you're going to lose money no matter what.
One of the things I've noticed is that you don't always get the full story. Yes, some people do get ridiculous deals, but some talk about such deals and omit a few key facts: warranty punched; brand-new, never titled but had 3,700 "dealer" or "demo" miles (always get a CPU dump); traded in another car and no details about that; dealer was going out of the Lotus business; car had "minor" damage that "buffed right out"; etc. That's not the case every time, as noted, but it is the case sometimes.