Well, since you haven't gotten any response...I'll try to help you out alittle!
We try to go to DL at least once a year. We just started staying on-site our last couple of visits. There are alot of choices of off-site hotels/motels that are within walking distance--unlike WDW. You should read over some of the old posts for more info.
We were really interested in the Grand Californian when it opened--we paid close to rack rate (we didn't know about these boards!

Now we know better! It's a nice resort--I guess it's really similiar to the WL (although I've never been to WL) but on alot smaller scale. It was nice having a private entrance to DCA. We had a room with one queen bed and bunk beds. Our room overlooked the pool and we could see DCA from our balcony. The room seemed kind of small to me. It was brand new so it was nice.
We liked GCH alot until we stayed at DLH in the Sierra Tower. At DLH last June we got a great rate ($99.00 per night!) and our room was much larger. We had 2 queen beds and a day bed. There is no balcony, but a sliding door that opens with a railing so you can't fall out! I think we were on the 5th or 6th floor. We had a view of DTD and could see DCA in the distance. I believe the other side of the building is a view of the Neverland pool area.
The room was recently refurbished. New carpet, nice comfy beds, etc. It was a nice walk thru DTD every morning to get to DL (about 5 min.)
I look forward to going back to either of these resorts--not at rack rate though! We haven't tried PPH yet.
You should check
www.mousesavers.com for current specials. I know there is a promo for free nights with extended park hopper days. You can also check
www.getawaytoday.org for some other pricing.
As far as seeing it all--It's never enough time for me! I would say, give yourself at least 4 full days!
Hope I helped some!
Have fun planning your trip--you will love DL and DCA!