Want to start a small mining company, need advice.

[R04dRunn3r]

I want to start a small mining company in which can be invested over time.
I need some advice about the GLBSE and all the other advice you all can give me.

I was thinking about a Mhash growth of 200% with in the next 3 months.
Need around 2000 euro to accomplish that goal. Effectively growing from 1.4 Ghash/s to 4.2 Ghash/s. The initial investment is on my account some I keep control over it, but I'm looking for investors to secure further grow.

Need some advice on which software package I should use for the website.
I'm thinking about using Magento with the  Bitpay payment processor for investments and eventually payouts in Silver bullion if people are interested in payouts other than in Bitcoin.

[bitlane]

2.8GH/s for 2,000 euros ? (approx $2600 USD)
Are you investing in FPGA Miners like Butterfly Labs or 4x 7970's ?

[R04dRunn3r]

I was planning to mine on GPU's, 3 maybe  4 5970 or 6990.
FPGA's are to expensive because I get my electricity pretty cheap. And is there a secondhand market for FPGA's? Because if I spend 2000 on FPGA's and Bitcoin fails I'm stuck with very expensive hardware that nobody wants. Graphiccards I sell for a nice price but FPGA's???

Costs will be (EURO)
100 for a PCIe board with at least 4 x16 slots.
250 for 1200 corsair PSU
100 for decent CPU
50 for Mem
250/300 for4 secondhand 5970's
400 for 3 secondhand 6990's
7970 are to expensive.
Leaves approximately 500 for misc.

Looking in to P2Pool mining, looks good.
But is the reward as big as in centralised pool mining?