None of the engine specific 2.3 Lima parts work on a 2.3 Duratech, so forget about all the Lima parts and swaps you've read about.
I've never heard of supercharging the duratech. Not that it can't be done, but you're probably going to be sailing into uncharted waters.
You also won't find a turbo kit for a ranger, but I do believe they're made for the Focus, which has/had the same engine your ranger has. It won't exactly be a bolt on for the ranger, but it should give you a good collection of parts to start with. If you've got some decent fab skills and tools, and have a good knowledge of how turbocharging works, it should be doable for you.
If you don't have skills, tools, and/or knowledge, I'd recommend trading your '08 in on a different ranger with a 4.0L.