I am not real familiar with Golden Arrow other than it bored me so I can't comment on its re-creation. I know a friend that loves the carry over feature of Scuba as a 2 player.
However, I think a good alternative to your idea would be to find a Late model Wedge head that is thrashed (or even a multi player if you want to do a bit more hacking) and then locate a Solid State Joker Poker Playfield. And then begin the metamorphosis from there. It would be a challenge but would be interesting to see the end result. It may help the project to go over the relay logic of other late single player Drop Target games or even sequence games and see if the relay logic is mostly there for the drop target feature. Drop targets themselves serve to replace a large bank used for rollover or target sequences. Perhaps a Card Whiz or Royal Flush would be the best bottom cabinet donner as it pretty much already supports most of the card scan bonus feature. And Thrashed Royal Flushes are plentiful out there.
A friend of mine plans to transplant a Jacks Open into the classic wedge head cabinet without the recessed door. He can't stand that late model cabinet and doesn't want it to be the only game in his wedge head line-up. He is starting with a badly weathered original cabinet so it really doesn't matter if he is doing a repaint of the deep or the shallow cabinet.
I have a Top Card with a 10 Backglass, a 9.5 cabinet but a 4.5 playfield. And Top Cards with nice playfields don't show up reasonably priced in So Cal. I was given a Drop A Card playfield and I have already mapped out all the necessary logic changes to put the Drop A Card into the Top Card. The only problem (besides time) is the 4 digit vs. 5 Digit scoring. I also plan to modify the rules to be a bit more like an Add A Ball as far as target reset goes. I also want to put 3" flippers on the DAC. After all, if you are going to Frankenstein something, why not go all out! It would be easy to drop the Top Card playfield back in and remove the mods if a nice playfield ever came my way.
Jumping Jack / Jack in the Box is one game I would like to have seen in a Single Player format. While I love King Pin, I love the Jack games better. However, as they sit, it is a game you can actually complete the drop targets multiple times in 1 Ball. Therefore, you would probably have to adapt the idea of first time down, "award something" 2nd time down, "award something better" and then 3rd and each additional time down, award Replay/Special.
Of course Lawman/Sheriff, which I prefer over Atlantis, already exists as a Wedge Head (Texas Ranger) albeit a very rare export. And, I don't see much benefit in changing a Multiplayer game like Fast Draw, over to single player.
With Joker Poker, I think you have selected the 2nd best Title to attempt such a conversion. The first would be to take a SS Count Down and make a Single Player Space Walk out of it. Both, based on the current value of each of the EM counterparts. The effort would probably be greatly rewarded financially if it were ever done.