Quality of RNA-Seq Data

Is RNA-seq data really “digital”? Is it more sensitive or reliable than microarrays?
Before you go, assess technological bias, limitation and cost-performance with publicly available data. not on the vendor’s champion data.

Data Source: GSE29155
RNA-Seq anlalysis of prostate cancer cell lines using Next Generation Sequencing
http://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE29155