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 Are you saying you know better than the OS developers what services are needed?

This is not the point. The developers created an OS for everyone in mind, from the basic home user up to users who need it as a server station etc. I'm just a home user and I don't need a quarter of the services which are starting automatically and stay in the RAM. Yes, I can switch all of them off (I did that in XP too but it were less), but the strange thing was it did not reduce the RAM while doing nothing and I was wondering about that because in XP I noticed the difference. And why that stuff needs so much space on my HDD (I have only 200 GB) is beyond me. I understood what's in the RAM should enhance the performance and make it easier with the programs that are opened by the users.

Even though you're  right about the way Windows 7 is handling the RAM, I stick to my point that  it does not matter for people on a basic PC or laptop. The booting time is ten seconds longer, as most tests observed, the software apps are regoginzed better but they don't open faster. I did nothing faster with Poser 8 on Win 7 than on XP. Experts say it is because the advantage only shines with a quad core processor, I stated that a few times already. Most experts agree also that you have to switch off 'Search' because it slows down things -  makes no sense to me to do that because it's important for me to search. I also mentioned what I like about Win7: in my case no drivers needed, no plugins for music and audio files. So what's the big deal? I feel like a Poser user in a DAZ forum... :-)