Favorite Middle layer/Outer Shell Combo?

[Dakota_]

Looking for suggestions for a warm, light middle layer and an outer rain shell, any suggestions? What middle layer and outer shells work for you on the long, 6 month trek down the AT?

Outer Shell:
A Frogg Toggs (http://www.froggtoggs.com/catalog/2008catalog/page05.asp) rain jacket/pants and am debating weather or not to "invest" in a paclite shel (http://marmot.com/spring_2007/mens/outerwear/shells/minimalist_jacket)l, Marmot Oracle (17 oz) (http://www.rei.com/product/746611)or Marmot Precip Essence (http://www.rei.com/product/762386) instead? Any suggestions for an outer shell?

Middle layer: Right now I have a nylon long sleeved shirt to go over my nylon short sleeve shirt. Not sure whether or not to add a Marmot Driclime Jacket (http://marmot.com/spring_2007/mens/outerwear/wind/driclime_jacket/details) (14 oz) or a Mtn Hardwear Ozone Jacket (1.3 lbs) (http://www.amazon.com/Ozone-Jacket-Mens-Mountain-Hardwear/dp/B0002M3BUM) I want to be warm but don't want too much weight, any suggestions for a middle layer?

What's your favorite middle and outer shell combo?

[Alligator]

I hike fairly warm. I wouldn't need anything but a generic blue polypro long sleeve under my outer rain shell during typical thruhiker (NOBO) season. Even down on the southern AT this is what I would wear in the winter. I almost never add the matching polypro pants.

I carry a polarguard jacket that I wear in camp and at breaks in the colder months of the year. Early spring and fall I would have that with me. I'd never hike in it unless I was perhaps injured and moving very slow.

[Homer&Marje]

Frogg Toggs are a worthy investment... just bought the pair of bib pants/jacket at bassproshops for 60 dollars... well worth it, they are not as breathable as they say but on cool days with rain they are comfortable and very lightweight, they come with their own polypropolene stuff sack. if on a warm day don't wear anything except underwear under the bib pants and it's really better ( go commando if you want no one will judge) very light breathable shirts are very nice under the jacket ( suggest UnderArmour) and on cold days all you need is your frogg toggs and thermals, wools socks and your gone! happy trails
Homer&Marje