compgeeks has 100 thumbscrews for $5.95 - 10% coupon. shipping is $5 so i advice you to buy other things. this is a lot cheaper than at those overclocking boutique stores that might charge you $3 for 6 screws.
http://www.compgeeks.com/details.asp?invtid=HSPACK100
they also have zip ties. 100 for $.98 - 10% coupon.
http://www.compgeeks.com/details.asp?invtid=ZIPTIE100
might be good to pair them with the $39.75 -10% = $36 usb compaq 802.11b network card
http://www.compgeeks.com/details.asp?invtid=243658-001-N
http://www.compgeeks.com/details.asp?invtid=HSPACK100
they also have zip ties. 100 for $.98 - 10% coupon.
http://www.compgeeks.com/details.asp?invtid=ZIPTIE100
might be good to pair them with the $39.75 -10% = $36 usb compaq 802.11b network card
http://www.compgeeks.com/details.asp?invtid=243658-001-N