Prestwich_Blue said:
Also due an upgrade soon and it's currently between the S3 and the HTC One X. I like the HTC Sense UI but hear good things about the S3.
OneX is better designed, feels and looks nicer, the S3 has more features and better battery (and a lot more marketing), personally I prefer Sense to Touchwiz but there's not a lot in it. I think, though this is purely anecdotal, the OneX is more shatter proof. Both are large handsets for manly hands.
If you're open to the idea the Nokia Lumia 920 may be worth a look in. Windows Phone 8, going to be arguably one of the best phones on the market, hardware wise at least. Really does have some seriously good class leading features.