Hi there! I just used European Destinations in May 2009, for a trip to the Greek Islands. I looked over several other web companies and decided they had the best rates/packages. They have set packages that you build on, which makes it easy to instantly see what fits into your budget. Through other companies it would have cost $4500. Through European Destinations, I was able to go for less than $2000.
One review did scare me, in that it said one of the hotels they were booked in did not exist. So, I did a LOT of homework before I decided to go with European Destinations. Their site is very easy to navigate. I contacted the hotels directly, through email, to be on the safe side. A bit more legwork but I must say -- I was totally pleased using them. They Fed Exed my documents, including my Hydrofoil/Ferry tickets before I left.
If you use them, just know that what you see is what you get. So if the lowest price suits your needs, check out the hotel's website too to see if it's a crappy hotel. If you think it is, you can always choose another one, which will increase the price. I did wind up chosing one crappy hotel but again, that was my fault, not theirs. I recommend this company but also highly recommend doing your research. I would use them again.