Hi
I have family here who really like the estate. However, one works from home and the other works in Maynooth so commuting is not an issue. Another family member tried to buy out there recently, a 3 bed and the house which he was going for went for €40k under the asking - so be careful what you bid. (He couldn't sell his own place so couldn't go through with a purchase.)
The houses are lovely but the parking and sound proofing are problems.
In terms of commuting to Chapelizod - to be honest, I'd cycle. It's probably your best bet.