In reply to george mc:
Yes I read the reports and the forecasts.
Last time I climbed ledge route was in quite similar conditions to this and after considerable avalanche conditions on Easterly aspect (proper considerable not localised areas) a few days before but a strong E / SE wind had scoured out number 5 gully. I seem to remember getting a slating on here before I set out too, but met a rather well known Scottish guide in the gully which also deemed it safe enough for accessing ledge route with clients.
Personally I don't think the bottom of number five is likely to be that dodgy tomorrow given today's avalanche forecast and weather. The strong Easterly winds today will have scoured the gully and if it was going to avalanche it would be more likely today than tomorrow given the calmer dry and cold conditions forecast.
Ofcourse I think everyone involved in Winter Mountaineering should be responsible for their own choices and if the conditions on the day deem something unsuitable it shouldn't be climbed. IMO when you have a forecast of moderate risk with localised considerable risk for the aspects you are looking a climbing it's worth going out and sticking your nose in it and turning back if you need to.
In any case my advice was for tomorrow not today, shall we wait until the new report comes out today before passing judgement?