Originally Posted by Gmash
If you had the Epic, then you know what you're getting into. Android hasn't changed _that_ much since then. Just faster and more polished, and the phones are more powerful (and usually bigger). But the S3 isn't necessarily the top of the line anymore, you may want to do some research, just depends what you are looking for in a phone.
If you want a removable battery and an SD card slot (Two critical features in my book), then the S3 is absolutely the top of the line right now.