Should I buy an iPad?

I currently own a Galaxy Tab 7 inch. I really like it and I also like the Android OS. It has many features that the iPad doesn't have (2 cameras,flash, widgets, etc) But... IOS 5 is coming out soon and the Galaxy Tab 10 inch is out. All I use my Tab for is mainly just web browsing and sometimes the camera and a occasional app ( I don't use too many apps) If I decided to buy an iPad I would have to sell my Tab AND iPod touch... Should I keep the Tab or buy an iPad?