"decent competitor" is an acceptable phrase in written English.
You can use it when you are describing someone who is a good competitor, such as in the following example sentence: "John is a decent competitor in the triathlon, often placing in the top 10."
"For me it really makes it, elevating the ham salad sandwich from a decent competitor to a real contender.
In the early decades of his career, he spent his downtime on horseback, turning himself into a decent competitor in the sport of team roping.
But he is still going to be decent competitor and a good influence".
That way, if someone actually did build a decent competitor, users could choose where they want to put their windows to the world.
Well, considering the Core 2 Duo is there and HDMI + Blu-ray will be available, I'd say that we have a decent competitor on our hands.
That being said, the Blockbuster Online service is a decent competitor to the almighty NetFlix, and they even have games, you nerd.
It kept breaking down (I couldn't afford good programmers), one employee working on it quit (I couldn't pay him), and I realized too late that it had three or four decent competitors.
Second, building up Nokia as a strong mobile maps competitor means giving Google some decent competition while it continues working on its own maps.
In Europe we don't have too many decent cloud storage competitors to, say, Dropbox or Apple's MobileMe.
The product was a decent-enough Mint competitor, but its mobile wallet functionality didn't seem to offer users a compelling enough reason to switch.
Stephen Fleming, a hard competitor but decent man, hung behind at the changeover, waiting for the celebration to finish before he too offered his own congratulations.
