How much would you pay for a good service? Help required!

I am currently building a network of sites (mostly blogs). My main purpose with these in the short to medium term is to create a links package which I can offer to members here, aswell as of course using some of the link space to increase my own main websites rankings.

My long-term goal is to be in control of 20,000+ blogs, but as I begin working towards this goal I am beginning to feel the costs involved on my pocket. It is a long-term thing, so I don't really mind waiting and doing things slowly but properly.

To help meet some of the costs (or lots of the costs if possible ), I will be hoping to offer the first package of links to members here sometime in the middle of April.

This is where I need your assistance.

Do you think this is a fair price for the following package....

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3,000 blogs
300 different c-class ips
PR1-4 (with 2 blogs being pr5)
35 outbound links per page max.

Price $60 per month or $30 per month if you pay full year in advance ($360 total)

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Am I charging too little for this?

Or too much?

I think it's definately something I would buy if I saw it available, especially at that kind of money. But maybe I am being biased?

Your comments, suggestions or questions are more than welcome,

Thanks in advance.