Ethernet PHY
The internal PHY is really tough to beat, an ethernet PHY is usually around $2.00 (on Digi-Key). Eliminating the need for an external ethernet PHY reduces the amount of routing, passives, and hopefully mistakes when building a board up. Of course even with an ethernet PHY you will still need your magnetics. I chose to go with the Hanrun HR911103A, an RJ45 connector with integrated magnetics!

Memory
Finding an external DRAM chip with at least 64MB of RAM will also add a couple bucks to the bill of materials. Most microprocessors do not come with any internal DRAM. This really separates the V3S from other p