1. Well, the cost of adding utp to "new" office space is practically zero in comparision to the cost of construction if it is really "new". Adding wire to new construction is easy and cheap. For really new construction why not look at fibre. You may have to upgrade the photonic nics and switches in the future but the media is practically unlimited in potential throughput, slightly more secure than copper, an order of magnitude more secure than wireless, extremely reliable, has distance limits that are measured in miles (or kilometers for metric folks) and completely immune to electrical interference. Yes, it is more expensive but the payback is tangible and potentially upgradable for decades without rewiring.

Any "new" space that is not really new but simply "new to you" is likely wired already. And, if it is not wired already, I can get gigabit cards (if they are not already built into the motherboards of the pc's anyway) for $10 while wireless N cards start at close to $100 and since I can get cat6 utp installed at around $100 per drop (less in some cases) wireless has already lost 90% of it's price advantage to me. I can get gigabit switches at less than $10 per port and that kind of wraps it up for me cost wise.

2. Once again, I cannot agree that anything that pumps packets into the air to be picked up by someone in the parking lot or the floor below you is secure in any fashion. I see your point about wired encryption costing money and I am sure you see mine about wireless being inherently insecure to start with.

3. I disagree- Most companies do not move assets and people "all of the time". Most companies are fairly static in the office space. Yes, some users want and a few may even need wireless access. For those few users, if they can prove a need to access the network as they walk down the hall or ride the elevator then fine; take a chance and good luck to you. Again, my point is that wireless should be limited to be used only when absolutely neccesary. The convenience of wireless may more accurately be described as expedience and expedience will allways come back to bite you in the butt eventually.