Dear Michelle, 
 I have used this device and it works, it is fairly inexpensive. The TMA blocks section very well. If you are not going to make a lot of arrays then this is definitely a good product for you. It does not come with the ability of doing 0.6mm size punch. So you are limited to the larger size punches. 
Advantages:
Inexpensive
compact (you can put it in a drawer when not it use)
Ease of sectioning (the sections come off the block like butter)
Disadvantages:
No high density arrays (0.6mm punch didn't exist when I purchased it)
easily fatigued while arraying since you have to hold the device in you hand
need to purchase the companies recipient blocks.

Helen


Helen L. Fedor B.S.
Johns Hopkins University
Pathology Department
600 N Wolfe St
Marburg Room 406
Baltimore MD 21287
email: hfedor@jhmi.edu
Phone: 410 614-1660
Pager: 410 283-3419

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>>> MICHELLE MCNEESE  11/30/2007 1:24 PM >>>
Our lab is looking into doing Tissue Microarrays.  Because some of them are cost prohibitive, we have been investigating the Tissue-Tek Quick Ray.  Does anybody have experience with this particular model?  If so, could you please let me know what you like and do not like about it.

Thank you!

Michelle L McNeese, HT (ASCP)
Lead Tech, Histology
Department of Pathology
Childrens Medical Center
(214) 456-6146
Email:  michelle.mcneese@childrens.com 

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