John Doe wrote:
I found some readings that said the Turbo Lance has a fixed wastegate and
that there are other systems out there that have a manual wastegate that
allows the pilot to better control the turbo.

How much of this is really a factor and should I really care?

For my money, I'd care. There is a series of 6 articles on turbocharging by John
Deakin at avweb.com. Here's a link to the index of John's Pelican Perch articles:

http://www.avweb.com/news/columns/182146-1.html

Scan down the list to the "Those Fire-Breathing Turbos" articles.

Dave