Ok, here's what I have: MacBookPro 15" 185 GB hard drive 2 GB RAM 139 GB of photos on the hard drive External hard drives: 128 GB drive that contains old PC files (including about 30 GB of photos not currently in iPhoto library) 500 GB portable WD hard drive for Time Machine backups (188 GB free) 1 TB brand new Seagate Expansion desktop hard drive, totally fresh The problem: Finder says I have 1.8 GB of free space on my hard drive. I have to do something about these 139 GB of photos. I access them more than anything but my HD is so clogged that things are not saving well. Even iPhoto library tells me it can't save changes, and I am just trying to delete photos! I am thinking of running my iPhoto Library off of an external hard drive. Do I even have enough memory to transfer it? Should I just upgrade my internal hard drive and use the externals for backups? What would you do at this point? I want to eventually install Photoshop and Lightroom. Just bought Photoshop Elements 9 and hope to use it with iPhoto. How do I put all these hard drives to good use?