Not to dwindle on the whole "Connectivity is a pointless idea" bit, but I read something with great interest.
Source: Cube Issue 26
"I think it could be hugely important, but it has not so far lived up to its potential. In other words we haven't seen the game that makes it a killer application."-George Harrison, Vice President of Nintendo of America talking on GBA-GC connectivity.
It shows how even Nintendo itself realises connectivity has so far shown little point to exist.