I have recently purchased Nokia 5230. Main reason for my choosing this over 5233 model ( though this is around 1000/- less in cost) is that 5230 comes with 3G and 1 GB memory card.
The performance of the phone is quite good. Sound quality is also good.
Internet connectivity is quite good.
The phone is good looking and is certainly a buy at the price it is offered (i purchased it for 7200/-)
Though, many local companies are offering the same features for half the price, the tag of NOKIA still carries lot of weight.
However, the reception of radio is not very great.
Further, since there is no provision for manual navigation (up and down buttons) of menu items, sometimes it is little difficult to browse various menu items.
Overall, this is quite a good phone at this price.