Wireless cutting out with lots of disk access

This happening to anyone else? It's happened to me twice today, but if I'm writing to the disk a lot, either from a wired computer or a wireless one, the wireless network sometimes goes away and won't come back with out a base station reset.

Has anyone seen anything like this?
Basically, try to xfer a lot of data to the drive, or R/W from it a lot, and wireless fails. I lose all wireless connectivity from an XP box running 802.11g, a Powerbook on 802.11 g, and an airport express running 802.11b.
My wired XP box keeps working fine.
This has happened 4 times now. In at least one case, I had to power cycle the base station. The other times, I just had to access it via the utility and make it restart via the update button -- w/ or w/o config change.
/Sean

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