Actually, if you arent a complete fucking idiot, you can get it for the same price.
Brand new releases will come out $15 on DVD, $25 for BD/DVD combo.
Wait a smidge, and you can get BD only for $15 or $20 and fuck the worthless DVD.
If you have a 1080/24p TV of decent size, yes, BD is awesome and the way to go. Not only cause of the video quality but also the 7.1 lossless audio as well.
If 6x the resolution is "a little better" you either need a bigger/better TV or some glasses.