Unless imagine have greatly improved in the last 3 years I would be wary of what they say they can deliver. When I had imagine it would be ok at 1pm but come 7pm speed was down to a trickle and unusable for any streaming. They say only so many people are assigned to a mast but I would not be so sure on that.You can go wireless with Imagine
Luckily FTTH went by my front door so I am one of a minority of happy Eir customers who only rings customer service once a year to get a new deal.