Bought my laptop from Zirve Bilgisayar thats the EXPER computer shop near ÞOK on the 22 meter road.
Original price was only slightly higher than a like spec DELL, but he added a few extra programmes including the full MS Office 2010 (with licence) and upgraded to Window 7 ultimate then gave a 10% discount - so ended up a good bit cheaper than the DELL option.