What do you think about Nokia N78?

I bought this phone 2 weeks before.. It is a great looking phone, for which i was waiting for 6 months... Now its price is pretty reasonable for the feature pack it has.. I was really excited to see the phone when it got out of the box... But it has some problem.. While traveling the voice call has some distortion, so that it gives a feeling to the person on other side that we have got throat infection. Also some keys doesn't work so fine in this especially the red and green button for calling and cutting. Also now the speaker phone sound do rubbish... The screen resolution and sound clarity for music is pretty good compared to many other nokia handsets

Dear friends, please send your opinion about this phone