Trying to post to the following post:

http://forum.bitcoin.org/index.php?topic=31667.0

Given the following:
$700 usd
1 160gb Sata drive
2 300gb Ata drives
1 Ata -> Sata connector
2 350w ATX psu
2 1x -> 16x adapters
1 q6600 Intel Core2Quad
1 Socket 755 P4
1 Amd Semperon 140
4 2gb DDR3
2 512mb DDR2
3 256mb DDR
1 single 16x slot mobo on 775 chipset. No Psu with board. DDR 2 ram. 1 sata connection.
HD 5450 1gb
HD 4550 1gb?
Geforce 8800
3 working Amd Ath 3300 computers, agp slots only, run about 3mhs each on cpu. AMD x1300 gpu.

Turn it into this:

Almost 2GHash/s... if you round up.
~220MHash/s * 8 = ~1760 MHash/s

----Build 1----
Biostar Motherboard
2GB DDR3 memory
650W PSU
4x Radeon 6770
4GB USB stick (linux headless + watchdog + failover scripts)

----Build 2----
Biostar Motherboard
2GB DDR3 memory
2x 350W PSU (linked with paper clip)
4x Radeon 6770
4GB USB stick (linux headless + watchdog + failover scripts)


-$960 for 8x Radeon 6770 @$120 each (possibly $160 worth of rebates in separate houses/names total)   
   http://www.newegg.com/Product/Product.aspx?Item=N82E16814131434

-$35 @32.99 + tax 1x Retail Sempron 140
   http://www.microcenter.com/single_product_results.phtml?product_id=0317380

-$22.75 @$3.25 each 7x extenders
   http://cgi.ebay.com/PCI-E-Extension-Cable-1X-1X-Riser-Extender-Card-15cm-/150636543939?pt=AU_Components&hash=item2312a33fc3#ht_6289wt_1319

-$11 1GB DDR3 RAM
   http://www.newegg.com/Product/Product.aspx?Item=N82E16820148368

-$70 620W power supply                     
   http://www.newegg.com/Product/Product.aspx?SID=u0t0f0fp55776dd0c0s701&AID=10440897&PID=1225267&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-cables-_-na-_-na&Item=N82E16817371048
+$20 rebate

-$140 2x motherboards @70 each
   http://www.newegg.com/Product/Product.aspx?Item=N82E16813138318&Tpk=a870u3

-$12 2x 4GB USB Sticks
   http://www.staples.com/SanDisk-Cruzer-Blade-4GB-USB-Flash-Drive/product_919639_HC2?cm_cat=358129&cm_ite=Ongoing+-+Staples+Basic&cm_ven=CJ&PID=361116&SID=FWa0exgc&cm_mmc=CJ-_-361116-_-361116-_-10422268&cm_pla=361116&AID=10422268&storeId=10001&CID=AFF%253A361116%253A361116%253A10422268

****** eBay or craigslist ******
+$25 300GB @15 eBay
+$10 160GB @10 eBay
+$90 q6600 Intel Quad Core
+$10 2x 512MB DDR2 (eBay)
+$3 3x 256MB DDR (eBay)
+20 2x 2GB DDR3
+$25 5450 (eBay)
+$20 4550 (eBay)
+$30 8800 (eBay)
+$90 3x athlon 3300+ (Craigslist)
+$10 P4 Motherboard (Craigslist)
+$5 ATA --> SATA cable (Craigslist)
+30 2x 2GB DDR3 (eBay)
(free) Paper clip + electrical tape to connect 2x 350W PSU

--------------------------------------------------------------------------------
+700 USD
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estimated remaining total
-$22.75