My two cents worth? I read "The Way of the Ascetics" years ago. My opinion may have changed in the meantime, but I remember disliking it quite a bit. I think I found it at the time to be like a puritan's assessment of what asceticism is all about. I looked briefly at Archbishop Paul's book and it kind of left me underwhelmed. But this is not really fair, since I didn't read it.
I'm sure you've probably read "Great Lent" by Schmemann. I found this to be really an awesome book. Really appropriate for right now and just in general. I'm sure that our traditionalist friends may not agree with me.
If you remember, I think it was Paradosis who recommended "The Sayings of the Desert Fathers" in another thread. I think the sayings are awesome. i like to just pick it up and read a few sayings at a go. I find it really indispensible. Of course, having said this, I've just looked around for it and can't see it anywhere. Anyway, I use the alphabetical collection, edited by Benedicta Ward and published by Cistercian.