I think it's worth $5.
As someone who's tried to play through DR1 3 times now and failed, I love this! It doesnt feel as clunky, the text is no longer micro, the weapon-combo system is very rewarding and fighting off the (seemingly) endless amounts of zombies is still great fun. Oh, and no Otis calling you ever 4 minutes!
The save system is suppose to be there to build tension--and I think it does, along with some frustration--but at least we have more than 1 save spot now. Auto saving would be nice I agree, but I suppose having a fair amount of save spots (bathrooms) in the epiloge helps, so just be sure to save often--you have to be anal about it, I think, to make it work.
Really looking forward to DR2, like a lot.