HD2 VS XPERIA X10

[Guest Alkali]

Hello Honourable members,

I have had dozen of windows mobile phones from the days of i-mate Jasjar,tytn to HTC TOUCH DIAMOND and most recently HTC TOUCH HD. what i need to know is it advisable to go for ANDROID phones? I am genuinely interested but i would love to know the future of my WORD DOCUMENT,EXCEL and the works.Can i view and edit them like windows mobile phones? And also what do i do for WINDOWS MEDIA PLAYER?Is there a subsitute in Android?

If the answer is yes.Then which of the two above phones will you recommend?