Your chances of finding VC love are slim to nonexistent. Although auctions have been around in one form or another for centuries, eBay was the first Internet company to create an international auction market that had never existed before. There are a lot of companies out there that are not creating new markets. They're just trying to make existing markets more efficient. But when it comes to viewing your market and your competition, pepper that dream with a strong dose of realism.
Nobody wants to invest in the fifth best company.
If you're not liking what you see in the mirror, don't give up. Once you think you're attractive to potential investors, you have to make them aware of your existence. Finding a VC firm to look at your business plan is like a blind date. Prospective partners armed with recommendations get top billing. With venture capitalists getting bombarded with pitches, it's most likely that the ones with some juice behind them will get seen.