Are sites like LegalZoom sufficient for non-standard contracts?

[Sean Dezoysa]

Anyone use a low(er) cost legal site for documents more complex than a standard lease? 

I am looking at having a partnership agreement written for the purchase of a property. I need the split of final sale price and other terms covered. A corporation may be involved. I'm not sure if a legal site is "good enough" for this type of document or not.

Thanks for any suggestions.