FontAgent Pro Enterprise Server is one of the fastest font servers Ive used. This latest version uses the J2EE (Java 2 Enterprise Edition) architecture and is multithreaded to take advantage of multicore Macs.
There are several solutions for enlarging an image, and given how far these technologies have come, its more about selecting the most appropriate solution for your specific situation. Alien Skin has a strong update to their Blow Up plug-in for Photoshop and Lightroom that you may wish to size up for yourself.
NoiseControl 1 is a plug-in for Photoshop and compatible programs (both Mac and Windows) thats remarkably effective at reducing image noise while keeping edge details and natural grain. It can also sharpen a noisy image without increasing noise, and even add simulated film grain to an image to make it appear more natural.