Nadal 2010 Wimbledon, Winners include Aces
Rd 1: Nadal 36W/13UE/8Aces, Nishikori 29W/27UE/4Aces
Rd 2: Nadal 42W/12UE/5Aces, Haase 40W/23UE/28Aces
Rd 3: Nadal 56W/18UE/12Aces, Petzschner 63W/40UE/25Aces
Rd 4: Nadal 36W/9UE/8Aces, Mathieu 24W/21UE/3Aces
Rd 5: Nadal 31W/12Ue/12Aces, Soderling 42W/35UE/17Aces
Rd 6: Nadal 31W/13Ue/4Aces, Murray 37W/19UE/13Aces
Rd 7: Nadal 29W/21UE/5Aces, Berdych 27W/17UE/13Aces
So at wimbledon 2010 Nadal has more total winners (serve and nonserve) in 4 out of the 7 matches.
If you take service winners out, and you might want to do that or you might not, Nadal is ahead on winners in 6 out of the 7 matches. Only sod. still hit more winners than nadal off the ground/volleys.
The most striking thing is Nadal's W/UE ratio, even after including serves into winners:
For the tournament Nadal has a total of 261W/98UE and his opponents had 262/182. That's a 2.66 vs. 1.44, which is pretty impressive, just as many winners and only ~ 1/2 the errors.
http://2010.wimbledon.org/en_GB/players/overview/atpn409.html