Since it has been demonstrated that on line access improves both readership and citation impact we can certainly expect that the vast majority of the low impact journals would be well advised to make their journals open access. Whether this increases their impact remains to be seen, but increased readership or attention seems inevitable. [AMERICAN-SCIENTIST-OPEN-ACCESS-FORUM archives — 2004 (#83)]
Libraries are not ends in themselves, but serve the interests of the organizations of which they are a part. As university emphasis varies around research, education and career poles, we can expect to see libraries evolve to support those emphases more strongly.