Please don't generalise that everybody will have a poor experience of DV just because you have.
I live in a rural area with FTTC and DV is perfectly fine here for the many of us that have been converted.
About 2 million BT customers are now on the Digital Voice system. If you are basing your response and dislike for DV on the numbers of complaints on this forum that would appear to be a miniscule percentage number that have had issues.
Digital Voice: Making progress with our customer led, regional rollout (bt.com)