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It seems most common that folks focus on Dimension Pro's sample-playback capabilities and tend to compare it with something like Kontakt .  There is some overlap with those types of instruments, but Dimension Pro is really a combination instrument with sample playback capability, WaveTable Synthesis, WaveGuide Synthesis capability.  I keep that in mind when I'm making comparisons to Kontakt or other sample-playback-based instruments. 
 

From Craig Anderton, SOS magazine:
 
"First, any sound that is less than 4000 samples long is read as a single-cycle wavetable, just like an ordinary synthesizer oscillator; Dimension Pro generates an image of the sample that eliminates digital aliasing so it can be used across the entire keyboard. There is also a waveguide generator, for plucked-string instruments. "
 
Again, by no means an attempt to discredit DimPro but in reality it appears the "Wavetable" abilities could be duplicated in any decent sampler. Rapture functions similiarly in terms of importing waves to use as oscillators. It`s quite easy to find literally thousands of short "wavetable" files from vintage and modern gear alike not to mention some cool programs that will let you draw any wave shape you like. The wavetables (wave files) included with DimPro and Rapture can quite easily be loaded into Kontakt, to name the obvious comparison.
 
The only unique feature I can see is the plucked-string waveguide generator although the LFO abilities are cool.

Wavetable Synthesis and Sample Playback are different, not the same.  Wavetable Synthesis is, as Craig Anderton described, a short sample (4KB or less) modified to become a single cycle waveform played back by an oscillator.  This single-cycle waveform is repeated thousands of times per second to become a generated tone.
 

 
Sample Playback is a very large (usually several MB up to several GB) and is played through once by an oscillator with the possibility of a section of the sample being played repeatedly in a long sustain loop if such is enabled.  A single sample in this case has thousands of cycles contained in a single run through of the sample from beginning to end by the oscillator.
 
Dimension Pro changes between Wavetable Synthesis mode or Sample Playback mode automatically depending upon the size of the source sample being loaded (<4KB = Wavetable, >4KB = Sample Playback).  However, this behavior can be overridden if desired by the sound designer using opcodes in the SFZ file.
 

Dimension Pro's sample playback sample set is simply RIFF formatted audio samples stored in standard Microsoft .wav containers and can easily be used in almost any software-based sample playback instrument.  But for another instrument to make good use of its Wavetable sample sets would require that instrument to be able to perform wavetable synthesis--loading a small 4K or less sample from Dimension Pro's wavetable sample set would result in a short single cycle burst of noise unless it were repeated thousands of times per second by the oscillator to build a tone and filtered appropriately.

From Craig Anderton, SOS magazine: "First, any sound that is less than 4000 samples long is read as a single-cycle wavetable, just like an ordinary synthesizer oscillator;