I know that the WEP protocoll for wireless communications is weak from
a secuity standpoint.

My question relates to it's stability. Does (or perhaps should)
enabling WEP on network devices reduce the stability (read: network
connection drops for non-range related issues) of the connection.

Are drops when using WEP to be expected as a result of some protocoll
faults, are specific implementations (from different manufacturuers,
or perhaps, different driver sets) more or less stable with regards to
WEP based connections.

Background in breif:
I am currently using two wireless network devices,
http://www.ncix.com/canada/productdetail.php?sku=6129
http://www.ncix.com/canada/productdetail.php?sku=6477
And receive great connectivity when WEP is disabled, but drop
frequently when it is.