Best software to convert DVD's to iPhone 480X320 Res?

[Prophet]

I'd like to convert some of my DVD's to play on my iPhone. What software would be ideal for this?

TIA

 

[BillytheImpaler]

Handbrake.

 

[sushi]

BillytheImpaler speaks the truth

 

[jbloggs]

Mediacoder iPhone

 

[Derek W]

Mediacoder iPhone

I read that as Mediocre Iphone

looking to do the same for my n96 and ipod touch though.