Keeping projection and spirits LOS to mage's body, How do you think this would work? Options

[Smokeskin]

I'm soon going to start with a new group, and I'm thinking about a major change: keep more or less everything LOS. UWB radar and Clairvoyance spells will be gone, but more importantly:

When mages project, anything out of LOS of his physical body that is not dual natured or magical is so dark and indistinct it can't be identified. As far as the mundane world goes, he can find his way around, but no more than that.
I don't like stopping to have a player do astral recon while everyone else sits by. I don't like having to ward, spirit patrol or have mages on hand to prevent otherwise undetectable astral snooping. I see little in the way of interesting stories that are told through astral projection.

Spirits won't be able to move out of LOS or use powers on anything not in LOS of the mage (at the time of the order).
While spirits are very powerful in themselves, they are largely ok - but their ability to ambush just seems too much, and the ability keep summoning them on someone that can't fight back. The team can hunker down, and the mage can serially summon spirits at the opposition. By keeping them in LOS, they can still apply their versatile abilities, but the mage needs to put himself out there.
I'm on the fence about allowing Search, but I'm probably letting it stay in.

These are major changes. I haven't thought them through completely, but they seem to adress the worst issues I've had with magic.

Anyone want to brainstorm this or play devil's advocate?