BootProcessSpeedup - Debian Wiki - http://wiki.debian.org/BootProcessSpeedup
Debian User Forums • View topic - HowTo Speed Up Boot & Increase Responsiveness (Desktop) - http://forums.debian.net/viewtopic.php?t=31275
Note that both of the above are a bit old and some of the info does not apply.
Changing to systemd can also help.
Unless you are tracking sid, you can use
sysv-rc-conf - SysV init runlevel configuration tool for the terminal
to turn off unneeded services.
Debian Sid KDE4.8.4 Kernel 3.4 Thinkpad R40 CPU Pentium M 1.3MHz RAM 2GB ATI Mobility 7500
Debian - "If you can't apt-get something, it isn't useful or doesn't exist"Giant Debian sources.list
| Debian upgrade script smxi
| sysinfo script inxi