Oneday trip from Delhi to Agra (Tal Mahal)

Hi,

I want to visit Taj Mahal (Agra) at Sunday and I am looking for the orginized one-day trip there.

I found planty options in the internet, but may be somebody can share some valuable info. What is the prefered travel agency I should use, etc.

Please advise,

Thanks and Regards,

Vitarix