I say choose either one. From what I see, both have the same specification, though I'm not sure how it will work out in real life (E.g Stability, performance).
Memory Supports DDR2 800/667/533 memory Dual Channel architecture support up to 8GB by 4 DIMM slots Expansion Slots 1 x PCI Express X16 slot 3 x PCI Express X1 slot 3 x PCI slots
Form Factor ATX form factor, 305 x 210mm
Internal I/O Connectors 1 x 24-pin ATX power 1 x 4-pin ATX 12V power connector 1 x floppy connector 1 x IDE connector 6 x SATA 3Gb/s connectors 1 x CPU fan connector 1 x system fan connector 1 x front panel connector 1 x front audio connector 1 x CD In connector 3 x USB 2.0/1.1 connectors for additional 6 ports by cables 1 x SPDIF In connector 1 x power LED connector 1 x Chassis Intrusion connector
Rear Panel I/O 1 x PS/2 keyboard port 1 x PS/2 mouse port 1 x SPDIF Out connection (coaxial+optical) 1 x parallel port 4 x USB 2.0/1.1 ports 1 x serial port (COMA) 1 x RJ-45 port 6 x audio jacks (Line In / Line Out / MIC In/Surround Speaker Out (Rear Speaker Out)/Center/Subwoofer Speaker Out/Side Speaker Out)
H/W Monitoring System voltage detection CPU / System temperature detection CPU / System fan speed detection CPU warning temperature CPU / System fan failure warning CPU Smart Fan Control
Other Features Supports RAID 0, 1, JBOD (2 ports with RAID function supported by GIGABYTE SATA2) Supports @BIOS Supports Download Center Supports Q-Flash Supports EasyTune 5 Supports Xpress Install Supports Xpress Recovery2 Supports Virtual DualBIOS
Memory Supports DDR2 800/667/533 memory Dual Channel architecture support up to 8GB by 4 DIMM slots Expansion Slots 1 x PCI Express X16 slot 3 x PCI Express X1 slot 3 x PCI slots
Form Factor ATX form factor, 305 x 210mm
Internal I/O Connectors 1 x 24-pin ATX power 1 x 4-pin ATX 12V power connector 1 x floppy connector 1 x IDE connector 6 x SATA 3Gb/s connectors 1 x CPU fan connector 1 x system fan connector 1 x front panel connector 1 x front audio connector 1 x CD In connector 3 x USB 2.0/1.1 connectors for additional 6 ports by cables 1 x SPDIF In connector 1 x power LED connector 1 x Chassis Intrusion connector
Rear Panel I/O 1 x PS/2 keyboard port 1 x PS/2 mouse port 1 x SPDIF Out connection (coaxial+optical) 1 x parallel port 4 x USB 2.0/1.1 ports 1 x serial port (COMA) 1 x RJ-45 port 6 x audio jacks (Line In / Line Out / MIC In/Surround Speaker Out (Rear Speaker Out)/Center/Subwoofer Speaker Out/Side Speaker Out)
H/W Monitoring System voltage detection CPU / System temperature detection CPU / System fan speed detection CPU warning temperature CPU / System fan failure warning CPU Smart Fan Control
Other Features Supports RAID 0, 1, JBOD (2 ports with RAID function supported by GIGABYTE SATA2) Supports @BIOS Supports Download Center Supports Q-Flash Supports EasyTune 5 Supports Xpress Install Supports Xpress Recovery2 Supports Virtual DualBIOS
hloc
Me using DS3..... working very well. Not asking for a top of the line MB, so this MB is just right for me.