Yet another Amp recommendation needed


I'm in need of a recommendation for a SS amplifier for my office system. I'm thinking either a PS Audio Stellar S300 or a Parasound A23 Halo. Other gear in my office rig include:

Audio Research SP-9 Mk. III preamp
ELAC Uni-Fi UB5 speakers

I'll probably good with either amp, but any of you out there have any thoughts? Thanks in advance.
128x128drummer808
Price wise....the previous post with Nuforce STA200 is a great amp but only RCA's.  S300 I believe is the best sounding choice out of all three choices mentioned.  I have all three and looking to sell my Parasound Halo A23(black). 
I echo what auxinput said -- it really depends on what you're looking for and, I'll add, your budget. 

I knew somebody that went from the A23 to the Stellar 300.  The PS Audio Stellar is a Class D amp with a Class A input stage.  The A23 is a Class A/AB amp also with a Class A input stage (I believe).  The feedback I got was that the Parasound was very warm and inviting sounding, but the PS audio had more attack and clarity.  I guess it really depends what your looking for.  Both could be good choices.
The lower line from Elac are said to be warm or dark sounding, but I haven’t heard about your model.  If the Sound is similar then Parasound might not be the best match as their house sound is warm as well.