If you have code you can also submit them to http://www.resourceindex.com/
I have had good results with them.
Wow, I wish I understood most of that stuff!
Yep, your lists of terms definitely look like spam. They might also scare off your customers because it does not look very professional.
I use chronichosting.com for a few sites. They've been pretty good. I was with whmhost.com and they were terrible.
As far as keyword density, I would guess that google would not like it if the density is TOO high. There is probably an inverted U function with...
I'm Martin and I'm a graduate student in psychology. I also run a few websites.
Separate names with a comma.