Did you see the NY times article called "How to Pick a Travel Agent"? It lists four tips to find the perfect agent. While some of these tips are fine, I'll comment on each as well as provide some additional considerations. Here's the NY Times articles main points:
How do you protect yourself from bad travel agents? We typically only talk about really good or excellent travel agents on this blog. But recently I was quoted by a Travel Agent magazine in response to question about a really bad travel agent.
Would you hand over a $1000 bill to someone you've never met with expectation that you will get something in return? Can you trust your travel agent? Can you trust the underlying travel supplier? After all, you may be spending between $5000 and $20,000 on a vacation so asking about trust seems pretty reasonable.