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>Dell is pretty good about their server configs; they use Xeons where appropriate, and also were using some of the Micron DSDRAM from Micron for at least one of their server lines as an alternative to using RAMBUS memory - I don't know if they continued with this when they started using the 840 chipsets. As noted, you really need the Slot2 processor to take advantage of >512MB, and that rules out a number of the 810/820 chipset implementations that ship now. Micron has their own Samurai chipset that offers significant advantages for workstation and server implementations, including up to 8 way processor implementation, a working 64bit/66MHz PCI bus, using the Adaptec 3 channel RAID card, and support for the double-speed SDRAM in conjunction with the PC133 spec. AFAIK, Micron is the only vendor shipping Samurai implementations in any quantity.
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>I'd expect to see RDRAM prices drop and SDRAM prices rise if RAMBUS takes hold of the market; the double-speed SDRAM is giving it a real run for the money.
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I'm not sure that double-speed SDRAM is not superior to RAMBUS in lot of cases. I've been told (I'm no screwdriver guru, so doublecheck) that RAMBUS has an EXTREMELY high latency. IS reccomended strongly against RAMBUS for this server.