For arguments sake wired will always be more secure.
For the average consumer, WPA2 with a long, random PSK is strong enough to secure you against the vast majority of the population.
WPA2 is safe. It's WEP that isn't safe and can be easily cracked.
With a decent passphrase
But you already knew that
I'd definitely use something longer than the minimum 8 characters though. It also helps if you have a unique SSID so there aren't any precomputed rainbow tables as well.
SSID: FBI Surveillance Van
WPA2: Ih@veC@ndy4Kidz
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