I just changed to chorus 6mb. I previously had eircom home pro which, in fairness to them, i never had a problem with but they want a lot of money for 3mb down. this is my score on eircom:
13/09/2006 21

1 3069 kbps (375 KB/s) 494 kbps (61 KB/s) 50 % 100 ms 135 ms
and this is the score on chorus:
13/09/2006 23:45 4362 kbps (533 KB/s) 493 kbps (61 KB/s) 78 % 81 ms 52 ms
i think the chorus score is better overall, though i really know very little about it. i was surprised about the upload rate because i thought that cable is symetrical

but you live and learn

i'm based in cork and the deal from chorus is 39.99 for 6mb, first three months free versus 54.99 for 3mb from eircom (though eircom only charged me something like 33 euros for the first two years for the line because they never change my billing information

)