I know everyone thinks the 1911 is the Holy Grail, but I had to lug one of those around for several years in the military. I think it is antiquated, and I will be the first to admit I am biased against it. I don't like its looks, its weight nor its limited capability. I am not familiar with the newer copy cat 1911s, and I hope some are better than the old military 1911s.
They are more than likely. I've never had the opportunity to fire a legit former government issued M1911A1.
Since you don't like the weight I'll mention that they make 1911s now with aluminum alloy frames and slides as well. The aluminum slides seem to be actually popular.
Recoil springs are stronger now and I have found that they do reduce felt recoil at least for me.
The newer ones can cycle hollow points reliably now as well.
They now have the option of an ambidextrous thumb safety.
Different styled hammers now.
different sights as well
Can be fitted with barrels threaded for a suppressor (They now have one that doesn't get in the way of the front sight)
Some frames can fit flush with 7, 8 round single stack mags.
Some have double stack mags
Single stack mags go as high as 12 round mags. (I personally have two 10 rounders)
Adjustable triggers
front and rear slide serrations
Different chambered ones (9mm, 40 S&W, 10mm and of coarse the .45 ACP)
Different barrel lengths (6 inch, 5 inch, 4 inch, 3.5 inch, 3 inch)
Barrel designs ( standard barrel & bushing or bull barrel)
different styled handgrips (I have a Hogue rubber grip with finger grooves on mine)
and more
And that's what is going on with the new ones. Are they better? Borrow one from a buddy and find out.