There so stable if your able feed enough resources just to keep them from either BSOD or slowing to a crawl if left on for long periods of time. You can mash as much components together but you won't get a stable OS from either, 1 likes to crash when it wants, the other bloats itself with system resource expense until it's out of breath and just dies.
Yep i can see why both never did/will see themselves in a production environment.
ME wasn't built on the NT kernel and was not designed for anything other than household use. Vista was fine after SP1 and even a halfassed configuration.
When we talk about memory usage we tend to forget that unused RAM is a waste. Great, you have two gigs free... Why not use that for predictive caching?