Just saw an article in a German computer magazine testing a number of different pre-802.11n access points and related client adapters. Performance was around 50 MBit/s which is not a lot considering the test here and here showed performance in the range of about 100 MBit/s on the application layer.
What also struck me was that all the top 3 access points were 2.4 GHz only products. So looks like except for the Apple Airport Extreme we have to wait for a while before other 5 GHz pre-802.11n products make it to the market!?
The top three candidates where:
If anyone knows a pre-802.11n Access Point for 5 GHz except for Apple's access point, please let me know!