Yes.
Open Terminal (Spotlight it or its in Applications:Utilities) and paste
Code:
defaults write com.apple.dock mineffect suck
into it (press enter). Then type
Code:
killall Dock
and press enter. Your Dock should dissapear briefly and return in a few seconds. Now, when you minizie you should see a different effect!
To "uninstall" goto System Prefs and select your 'old' minimize effect from the Dock tab. Back in Terminal, type