VectorBuilder has been the partner every researcher would wish for during those dark moments of paper revision. They offer the complete package: a wide range of viral vector design options, an extremely user-friendly and intuitive website, direct communication, personal and knowledgeable step-by-step guidance throughout the designing and ordering process, accountability, amazing discounts, unique customer support, fast shipping, and guaranteed virus titers and efficiency. So here’s my big thumbs up for a great product and service provider who has proven indispensable in addressing my research questions!