So now that my MP is now finally getting ready to ship, time to buy the RAM. My needs and uses are the following: -LOTS of LR3 usage -Some regular PS CS5 use -regular InDesign and Illustrator use, with some Dreamweaver -occasional gaming -I normally have 8-12 apps running (ftp, twitter, quickbooks, cs5, lr3, dreamweaver, indesign, illustrator, itunes, ical, addressbook, etc) I have been using a 2008 MP with 16GB of RAM and been very happy. Now, I consider myself a power user, but, I never really check and see how much RAM I'm actually using. I rarely experience any slowdowns, but do still get occasional beachballs . . . less than 10 seconds so it doesn't drive me crazy. I do have an Intel 160GB SSD as my boot, my Home folder is on a separate (albeit slower 7200rpm drive), and all my media data are on separate WD Black drives with a 300GB Velociraptor for my LR Catalogs. I was originally only planning on getting 12GB due to the triple channel, but it's been proven that it doesn't really make any noticeable real world difference when going to 16GB and dual channel . . . but reading some stats on digilloyds and OWC benchmarks, it does show that a sizeable increase in speed when using 24GB of RAM for PS use and other apps . . . Now my question is, is this real world speed difference something I should jump for? My mind will always be telling me "should have gone for the 24GB", considering the difference between 16GB and 24GB is about $340 or so . . . Should I go 24GB or is even 16GB still overkill?