We are about to purchase a tissue microarrayer from Beecher Instruments. I see that Chemicon also puts one out. Has anyone out there ever compared the two? Ginny Achstetter HT (ASCP) Armed Forces Institute of Pathology Soft Tissue Pathology 6825 16th St. NW Bldg 54 Rm. 3118 Washington, DC 20306 202-782-2813