this phone is probably going to be my android smartphone , off late I have spend a lot of time researching abt the phone & would clarify some issues regarding it
1) processor speed is 600 mhz compared to samsung galaxy y 800mhz but htc has done a excellent job by providing a separate graphics chip adreno 200. probably for the first a entry level phone with a separate graphics chip . We all know from our PC usage separate gpu makes a lot of difference.So the low speed of proccesor should not be an issue.
2) box does not contain headset probably a cost cutting measure from HTC , it would have been nice had they included it bit its not a deal breaker.
3) The back panels are interchangable which is going to be great ,the panels are already avavilable with htc uk website and the white one looks quite elegant.
4) The screen resolution is higher than that of galaxy y
5)It has HTC sense 3.5 , the latest version of htc user interface
If you are a person for whom quality is important then you could go for HTC explorer or if price is more important then you could go for galaxy y