Hi guys I have been an iphone user since pretty much day one and have always done the necessary jailbreaking and unlocking to get my device to work how I wanted it too and not how apple see fit. So I am now running 3GS on the dreadful ios4 and this alone has stopped me going for a new iphone4. Plus my current 3G coverage with vodafone in the uk is shite. So I'm now looking towards android and in particular the Samsung Galaxy S and probably O2 as the carrier but I have just a few simple questions. 1. Is this phone 'closed off' like the iphone is and do I need to do the android equivalent of a jailbreak? 2. I keep seeing 'rooting' on here. Is that what jailbreaking is called for android and are there any risks involved with regards to bricking the phone or invalidating warranties? 3. I have a great pushmail app for my 3GS which allows multiple gmail accounts, all with push notifications. Surely this works on Android right? 4. Does it have built in navigation or do I need to get a 'tomtom' type app for it. 5. Any tips/problems you think may be useful before I choose this device or is there a better Android device here or on the way. Many thanks in advance for your replies and I look forward to getting to know you all.