I got really into Vollmann for a while. Definitely not the easiest to read, but as long as you are willing to read without understanding everything that's going on, it's enjoyable. 

The Dying Grass is excellent, as is Ice Shirt and Rifles. There's no one writing in the same way. Definitely give it another chance. 

Scoresby

BooksAndArticles

Weekend Book Recommendations

Argh, I've taken like three cracks at this and bounced off each time.  After I learned about Vollmann as a person I was convinced that I had to read him, but the flesh is weak...