The only drawback from not buying from a dealer is the training and customer service. But I wonder about the quality of the training if they are not willing to work within your budget.
The plus side is that you are a member of this board and if you buy a machine - I bet there will literally be hundreds of members here who already own that machine and would be able to answer questions for you. Plus Youtube seems to have a lot of instructional videos for quilters these days.