My new toy is a Northwood 2.0 GHz system, but my precious Pentium III is probably the system I use most; it just has all my work from several years on it. It's running on a VIA Pro 266 chipset with 512 MD of PC2100 DDR SDRAM. I want to get some more for my molecular rendering applications, but one thing I can't find is Cache Latency 2.0 modules. Crucial, pretty much the only vendor I trust for the stuff, only has 2.5. What gives? Do they not make CL 2.0 anymore? What's the difference anyway?