Regarding packs, I have a Tenzing 4000 and a Cabelas Alaskan pack frame. The TZ allows to pack out an elk front shoulder on the first trip back out. I then switch to the frame pack which rides great and is durable. I have had the frame pack for about 12 years and it is still in great shape and had packed out 14 elk. If I recall, the TZ was $225 and the frame was $99.
Regarding jackets, get a good shell then layer under it as appropriate. Sitka has good stuff and can be had with nice discounts on line.