Well there is "calibrating" and there is "Calibrating".  The geek squad is not knows for quality work.  A number of years ago when I got my second HD display I had it professionally calibrated by someone who know what they are doing.  He has well over $10k of equipment and it took him 3-4 hours to get everything right.  I did pay $350 for this and it was worth every cent. 

As I have 3 other HD display around the house, I bought a moderate priced meter and have used free software called HCFR on my laptop and achieved very good results doing my own calibration.  It does take a lot of time and there is a fairly steep learning curve but I find it fun, interesting and challenging. But be warned you need to get into the deep service menu on most TVs to get the desired results.  But you can do serious damage there too if you are not careful.  For the faint of heart there are decent disks out there like WOW and AVIA that will guide you though the basics of setup and give a very good result  using basic controls.