The iPod unfortunately has a 1000 note limit. One solution for that problem is to use a template which will list all the movies you have, but in a single note per letter and sort your collection alphabetically. But note that the iPod also has a 4k limit per note, so watch out if you're going to include the summary. Another option is to export collections that are less than a 1000 together. Like recently bought or favourite.
There are two different types of iPod templates: those with 'sorted' in the title use whatever column you have your collection sorted by as the value for the collection. So for example, if you sort your collection by Genre, you'd have different subgroups in your export like 'Comedy', 'Classics', etc.
If you choose a template that has 'alphabetical' in the title, it'll be sorted alphabetically by whatever column you sort the collection by. For example, if you choose Genre as your sorting value, you would get all the Genres with C (like Comedy and Classics) together on one page. This would also apply if you sort the collection by Title, so you'd get all the A's, B's, etc. on one page.
There are some programs out there that deal with these limitations, for example "Book2Pod": http://www.versiontracker.com/dyn/moreinfo/macosx/20549 removes the 4k limit. It’s meant for ebooks, but it means you can add the summary and all the information you want to the template and then split it using this program.