Re: Upstream or downstream....
In my opinion, up or downstream gets the job done.
Besides pinpoint placement, a downstream drift allows for much more range.
I may cast 50-60 ft upstream on occasion (accurately), but can present almost double that downstream. (Not that you should).
To me, there is nothing better than spotting a piggy in a bubble line, placing my fly in said line, a sending it (same day) to him.
Timing his rises and having the package arrive just when he's ready for another bite.
I'm getting worked up just writing this!!!!!!
The Truckee has converted me to this style, because fish here are pretty spooky.
Waving the rod around isn't sneaky enough. But drop a fly on the water and send it down. They just can't see ya coming.
About a million misses led me to strip set, so ya, it's a learned thing.
"Life's too short to fish poorly".