Oh, I know about the pro's and cons of each. I have (sitting on my 'puter desk right now) 1 S3, 2 RAZR MAXX's, RAZR MAXX HD, iPhone 4, iPhone 4S, iPad (original), iPad Mini, iPad (with Retina Display), 1 Galaxy Tab 7.7, 1 Motorola Xoom, 1 Kindle, 1 Kindle Fire HD, Samsung Galaxy Note 10.1, and finally a Galaxy Tab 3. I have a stinking little screen iPhone 5 that I use for day to day use. Hate that little screen now that I've gotten older and my vision isn't what it used to be. Have to carry a pair of reading glasses just to read it (which I don't with the S3 or the RAZR's).
When the urge hits me for a new toy I just go grab what looks good. Play with it for a while and then set it aside.