Thanks for all of the suggestions. I'm going to order a MOD54 and a B's and give them a try.

In the mean time, I'm going to try tray development. I've never developed 4x5 in trays and am curious to see if I can do it successfully. I'll expose some negatives in the back yard that I don't really care about so if I ruin them in processing it won't be anything worthwhile. I do have one question relating to the process: when moving negatives from the developer to the stop or from the stop to the fixer, do you move the negatives one at a time, or do you pick up the whole stack of them and move them as a stack to the next tray?

Also, what's the best size tray for developing 4x5? 5x7 or 8x10?