Only been with them for a few days but I can say this:
1. I looked around at a few hosting companies and this one rated highly
2. I also check pricing and Relentless offered a very competitive package
3. The process was smooth and easy
4. So far its been all good.
I haven't really had any issues so can't comment on support and troubleshooting but my experience has been smooth and seamless. So far, so good.