Basic SEO/PPC tool box?

[gwidomains]

Ok...

What is the basic SEO/PPC tool box.

0.) Keyword Selection & Affi proggie optimization
1.) PPC Campaign analysis service
2.) Landing page optimizer
3.) ????
4.) Profit?

[fatfoo]

Sites to check PR and keywords, and other things like that.

like http://www.prchecker.info/

[gwidomains]

thx -- I was thinking more on the PPC side first.

SEO is amazingly complex.