Cost little bit more to ship with signature required, no?
True...but their goal is to buy more time. As in your case, many have to go to the post office to sign/pick-up their item.
In addition to that, ebay may have you send the item back to the seller.Hopefully that won't be the case.
My Hackintosh Build [tonymacx86.com]
CASE: CoolerMaster HAF 922
CPU: i5 2500K @ 4.7GHZ
MBD: ASRock P67 Extreme6
MEM: 16GB GSkill Ripjaws
GPU: MSI GTX570 Twin Frozer lll @ 925mhz
PSU: CoolerMaster RS850
OS: Win7U64, OSX Lion, LinuxMint 14
SSD: 250GB Samsung EVO
HDD: 1TB WD Black, 2.5" 500GB WD Blue, 2TB Hitachi, 3TB SeagateXT
MISC: Lite-On 12xBDRE, LG 10xBDRE, Rosewill 75-in-1 Card Reader, SNT HotSwap Bay, Creative X-Fi PCI SB0460 sound card w/front panel