Each motherboard differs in small subtlest like, voltage tweaking (handy dandy for overclocking) FSB speeds, number of slots, integration of sound and video and a dosin of more optionals that can be in/excluded in a mainboard. It are these extra features that determine whether you will or will not buy this motherboard or not. When it comes towards speed or overall performance, motherboards are very close these days. It is my believe that the package, new options and extra's that will determine what you will buy. 
The 6VBA-133 is your a VIA Apollo 133 based mainboard without integration of sound and video but with some very new and hot features and is therefore a very interesting buy. 
The board has a luxury 5 PCI Slots, 2 ISA Slots (1 shared), 4 DIMM Slots which will allow up-to 1.5 Gb memory and an AGP 2x slot.

The mobo gives us some very nice (read: hot) new options like Ultra DMA-66 (the ability to read 66Mb/sec with a compatible Ultra DMA-66 Hard drive). Also it supports all Pentium Slot-1 based processors ranging from the Celeron 266 up-to Pentium III 600 Mhz. Other specs worthy of a notice are its support for four PC 133Mhz SDRAM, Wake on LAN, hardware monitoring support and the very easy to set FSB speeds jumperless and CPU voltage adjusting.

Ultra DMA-66 Bus master IDE
Synchronous Ultra DMA mode provides data transfer rates up-to a maximum of 66Mb per second. Which roughly is twice the data rate of enhanced IDE or ATA-2. Ultra ATA requires a special (included) hd cable. Although the cable has 40 pins, it actually uses 80 wires. TIP - always connect the cable in this fashion: Blue to mainboard, Gray to slave and black to master.

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