Actually, there is a way to use imagecache presets with the image module without patches. It involves creating a View that manually applies the imagecache preset to the image field (not imagefield). You'll need views customfield.
Create a view and add the relationships "Image:File" and "Image:Node." Then add fields "File:path," "Node->title," and "Customfield: PHP Code." Add this to your php customfield script: