Partiton Magic "should" do what you want, it does work with ext3 not just ext2. Ive used it before to resize & move linux partitions with out any problems, so you should be fine.

My PC, built by a friend, has the hard drive divided into four partitions. Unfortunately the C: drive (12GB) is far too small and pretty full, while the others are large and empty. Is there any ...

I have a Western Digital 80 GB SATA running XP.<BR><BR>I decided that I wanted to dual boot Vista and XP and used Partition Magic to resize the Primary partition to allow room for Vista. It told me to ...