Re-use addresses at your own risk.
which would be fineif it were up to mebut the default client is more pushy than a banker and decides it wants to complicate my life for me
gee, thanks, papa bitcoin
here's a hint OP: the satoshi client has so many examples of horrible interface design that i'm getting red in the face just thinking about it
try blockchain.info/wallet
if i were a betting man, i'd say the satoshi client scares off at least 5 people for every 1 that sticks around, and that one still gets pissed off