New cloud based PDF tool
One of my Twitter connections recently mentioned an online tool called smallpdf.com which (among other things) compresses PDF files. The files are stored on their server temporarily but they say that they are secure and removed in an hour. So far I have tested it with a couple of files and the reduced filesizes are impressive.
It reduced a file which was originally 37.5Mb to 11.34Mb. It says that it reduces the files to 144dpi. I printed a page with images on it after the compression and it printed well.
It also rotates, splits and converts to and from a range of formats.