When you are selling on eBay, the most important thing you can do to grab buyer attention is to have a killer title.
A killer title does two things for you.
First, it makes your auction more noticeable and it will get more clicks.
Second, a killer title will let your auction be more search friendly.
Most people only search eBay by the title, and not by description.
Therefore, you only have those fifty five characters in the title to land the search traffic you want.
So let's get down to business shall we? First of all, don't use tacky cliches.
If you want to stand out in the crowd, try and look classy instead of desperate.
There are plenty of auction titles that say something like "Super rare item wow look low price".
Those titles don't help sell your product.
They just make your business look unprofessional.
Also, don't write your title in all caps.
IT LOOKS TACKY! See? Wasn't that tacky? Again, the idea is not to look unprofessional.
Instead of thinking like a seller, think like a buyer: If you were looking for an item, then what exactly would you type into the search box? Would you type "ultra rare nowhere else in the world can you find this item buy it now now now!!!!"? Of course not.
That would be ridiculous.
Most people search for the core keywords of what they are searching for.
If someone is searching for a Wii game system, they will search for "wii console" or "wii system".
So, if you're trying to sell your item, a title like "Nintendo Wii Console Video Game System".
That would cover most of the keywords most people search for when trying to buy the Wii.
Many people would tell you to think like other sellers, but I think that is dumb.
eBay is too competitive to try and copy what others would do.
You need to find what works for your business, not theirs.
Last, when writing a killer title you should be specific in your title.
If you are selling a 1967 Camaro SS, then your title should be something like "1967 Chevrolet Camaro SS, Red w/16,500 miles" That is specific enough that anyone who sees that will know exactly what you are trying to sell.
That kind of specificity engenders buyers trust and also makes your auction all the more searchable.
You kill two birds with one stone.
So, to sum this up your auction titles should do three things:

1. Don't be tacky - use proper capitalization and avoid cliches.
   
2. Use keywords - getting the core keywords into your title makes it more searchable
3. Be specific - specific titles add trust and make your auction easier to understand

That's all there is to it.
Do those three key things and you should improve your auction response immediately.
Good luck.