My two staple b/w films are Ilford Delta and Acros, and I'd only use Acros if they'd sell it in loose sheets. The QL's are costly and wasteful, and I only prefer to carry them when on overnight/multi-night backcountry trips to save weight.
I have written Fuji twice asking them to release it in loose sheets, but I keep getting the same lame corporate response. Despite my request for a release date (hint, hint), they offer none.
If you use 4x5 Acros and would like to see it available in loose sheets, please tell Fuji: http://tinyurl.com/6qyqf
They won't listen to a few random complaints, so we need to bomb their comment center with requests. Thanks.