Debian Administration :: Running 32-bit Applications on 64-bit Debian GNU/Linux
64-bit Linux Host Doesn't Install 32-bit Compatibility Libraries by Default
getting vmware running on a 64bit linux host
Multiple architecture problem and proposed solution
Slicehost Migration
ruby on 64bit uses significantly more memory than on 32bit. Not surprising, but annoying
Roo’s View » Blog Archive » Java Performance in 64bit land
interesting discussion of JVM design decisions on x86-64 arch