Found this over at snipplr, thought I'd duplicate here for my own reference:
1) AppleTV
./HandBrakeCLI -i DVD -o ~/Movies/movie.mp4 -B 160 -R 48 -E AAC -e x264 -f MP4 -m -p -b 2500 -x bframes=3:ref=1:subme=5:me=umh:no-fast-pskip=1:no-dct-decimate=1:trellis=2
2) iPod
./HandBrakeCLI -i DVD -o ~/Movies/movie.mp4 -B 160 -R 48 -E AAC -e x264b30 -f MP4 -m -b 1500 -x frameref=1:bframes=0:nofast_pskip:subq=6:partitions=p8x8,p8x4,p4x8,i4x4:qcomp=0:me=umh:nodct_decimate
3) PS3
./HandBrakeCLI -i DVD -o ~/Movies/movie.mp4 -B 160 -R 48 -E AAC -e x264 -f MP4 -m -p -b 2500 -x level=41
4) PSP
./HandBrakeCLI -i DVD -o ~/Movies/movie.mp4 -B 128 -R 48 -E AAC -e FFmpeg -f MP4 -m -b 1024