RESTORE, Don't bubba......Unless your seriously going make it a usable rifle for hunting/shooting.
For the SKS: "Tactical Stocks" don't make the SKS rifle more Accurate, not much lighter either. I would rather buy an AR-15 vs a "Tactical" SKS. Its purpose was to arm communist infantry with a carbine capable of hitting man-sized targets out to 300+ meters.
http://www.youtube.com/watch?v=9ee0eLUT0CY&feature=results_video&playnext=1&list=PLE2A11A518D7CCC8D
Historically irrelevant?
I seen SKS rifles on many conflicts. Last time was Vietnam HD on History channel. Also in arms cashes in the Middle East conflicts.
For the Enfield's: There are many around in rough shape, Many are missing Wood Stocks and standard issue parts. They make good restore projects, Parts are all over the place from sponsoring vendors and often at gun shows. A good stock refinish can bring new life to the old wood.
If you want to Bubba an Enfield, buy a sporter. They'er cheaper than an original and more plentiful. There are Synthetic and wood stock options available. These sporters can be great shooting rifles for the money. For a Scope mount, Weaver makes a decent mount. There are also "No Gunsmith" mount options, but a I'd go with the weaver mount or similar.
Bottom line is an Enfield .303 or 30-06 can make a Great Sporting rifle for way less than a new Commercial rifle.
http://www.youtube.com/watch?v=C95b_NjXkFM
SKS rifles's aren't worth dumping cash into as they are Just Communist grunt Carbines, Don't go out and buy $400 dollars of "upgrades", invest in Ammunition instead.