Yea there is nothing bad about them, just if you are going to buy a tank you might as well buy them from someone who is passionate about what they sell. Artistic, Immortal, and ETO (sorry I forgot you Bob!) are great vendors here and can help you BEFORE you buy to make sure you get what is right for you. You would be surprised at some features tanks offer that can change a buying perspective... I'll give a few here:
-The KV1 is one of the most crash resistant tanks we make (due to the design, metal chassis, and short barrel)
-The Tiger 1 is the best tank to start with if you are looking to get into the hobby cheap and upgrade later
-The Torro King Tiger comes in two different colors depending on IR or airsoft

A good dealer will be able to tell you the differences between tanks and the pros/cons of most. They can also offer services like Immortal does that can install things for you. This is why I said to go with them. Nothing against Hobbytron, just if I was a new tanker I would lean towards someone a bit more knowledgeable. A few bucks saved is not always worth it in my opinion!