Lando, I am no guru but I can safely say that link farms and such like are a huge NO NO.

I've been reading up quite a lot on this topic, I am essentially a 'newbie' but once you dig and dig through the many contradictions that are out there; stay away from link farms unless you would like to compare the prices of viagra in your email inbox EVERYDAY from many pro-spam, email harvesting sources.

I have also learned that getting links from sites totally non-related to your content is a huge waste of time and if anything will hurt your pr.