There was a thread about this same topic the other day in the San Antonio forum. Please see http://www.trulia.com/voices/Home_Buying/What_are_the_pros_a and http://www.trulia.com/voices/Home_Buying/removed-623965
It is always a good idea to have an agent involving the transaction regardless of means of payment.
If you would like to call me and chat please do so:
405 413 0791
I've written a best selling book called Buying a Home: Don't Let Them Make a Monkey Out of You. It'll teach you how to buy a home without getting ripped off. Follow the link below.
Best of luck!
If you decide to go it alone, I would highly recommend getting title insurance.
Feel free to contact me. Ill be glad to help.
Keller Williams Realty Elite