Of course, nobody over the age of 40 started with blades (heavy sarcasm here). I'm sure Bobby, Arnie, and Jack to name a few, would have been SO much better with some SGIs... ;-)
To the OP: Get 'em. If you've any decent hand-eye coordination, you'll figure it out. But just in case you're like a good friend of mine, (his hand-eye coordination stinks, but he does love to play), keep the others too.