Just as it did in March, Apple has subtly updated both the AirPort Extreme and Time Capsule, this time improving performance on both. According to new testing between today's model and yesterday's edition, the AE Base Station (which ships within three days for $179) can hum along at up to 25 percent faster thanks to undisclosed tweaks to the antenna design, while the Time Capsule's improved antenna promises the same. Just as before, both of these devices support dual-band 2.4GHz / 5GHz transmissions, though we can't seem to find an "80