Hello, I looked around the forum and I read the thread by meister and I got 12 on the questionnaire. I mainly use my MBP for studying and research. Mainly run GraphPad Prism, word, multiple PDFs, excel and PS. The past six months or so, it take a bit for the programs to respond, whether on performing functions or to open. MacBook Pro (13-inch, Mid 2010), processor 2.4 GHz Intel Core 2 Duo and memory 4 GB 1067 MHz DDR3. Any input will be helpful.