the top memory consumers on my machine:

1. javaw.exe 102476KB
2. java.exe 101064KB
3. mozilla.exe 81148KB
4. SharpReader.exe 55180KB
5. Thunderbird.exe 48888KB
6. soffice.exe 45620KB

interestingly, all of them are virtual machines. javaw is Eclipse, and hence SWT and regular JVM. java (Tomcat) is JVM, Mozilla uses the Netscape Portable Runtime, Sharpreader uses the .NET CLR Thunderbird uses the NPR too, and OpenOffice has some sort of abstraction layer (UNO) too.
sometimes i wonder whether all this virtualization is a good idea.