please help me buy a new cell phone

hiiii......I need some help regarding d abov topic......
i wana buy a new cell phone ranging upto Rs15,000....
Ive don sm research nd came up with d thought tht it can be either Nokia N81or Sony Ericsson W595....please help me choose one....please tell me the plus points nd negatives as well about both d fones.....if u hav ne othr suggestions...please give.....nd smthing about what u suggest.....plzzzzzz