The new firmware release for the WGR614 is available from the Netgear site.

Taken from the Netgear website:
Additions:
* Fixed missing regulatory domains.
* Fixed hidden SSIDs incorrectly implemented.
* Fix IBSS probe response doesn't convey correct beacon period.
* Fix client using AUTH_BOTH mode results in intermediate failure to authenticate with some AP.
* Fix timestamp in IBSS beacons not always sync'd.
* Fix roaming from some AP causes client to associate to ANY.
* Fix that could not connect to a AP with a space as its SSID.
There is also now a packet burst feature.