I searched JSTOR, "Aeneid" AND "Articles," and it came up with 4418 results. Most of them are chapter or subject specific, but my scanning through the first few pages brings up these general articles:
Title: Dryden's "Aeneid"
Author(s): Robert Fitzgerald
Source: Arion, Vol. 2, No. 3 (Autumn, 1963), pp. 17-31
Publisher(s): Trustees of Boston University
Stable URL: http://www.jstor.org/stable/20162849
Title: Augustus and the "Aeneid"
Author(s): William T. Avery
Source: The Classical Journal, Vol. 52, No. 5 (Feb., 1957), pp. 225-229
Publisher(s): The Classical Association of the Middle West and South
Stable URL: http://www.jstor.org/stable/3295204
Title: Humor in the "Aeneid"
Author(s): Robert B. Lloyd
Source: The Classical Journal, Vol. 72, No. 3 (Feb. - Mar., 1977), pp. 250-257
Publisher(s): The Classical Association of the Middle West and South
Stable URL: http://www.jstor.org/stable/3296901
Title: The Aeneid as a Trilogy
Author(s): George E. Duckworth
Source: Transactions and Proceedings of the American Philological Association, Vol. 88, (1957), pp. 1-10
Publisher(s): The Johns Hopkins University Press
Stable URL: http://www.jstor.org/stable/283887
Title: The Lyric Genius of the "Aeneid"
Author(s): Michael C. J. Putnam
Source: Arion, Third Series, Vol. 3, No. 2/3 (Fall, 1995 - Winter, 1996), pp. 81-101
Publisher(s): Trustees of Boston University
Stable URL: http://www.jstor.org/stable/20163574
Title: The Dullest Book of the Aeneid
Author(s): A. W. Allen
Source: The Classical Journal, Vol. 47, No. 3 (Dec., 1951), pp. 119-123
Publisher(s): The Classical Association of the Middle West and South
Stable URL: http://www.jstor.org/stable/3293660Dullness and weariness, then, are not the whole of Aeneid, but they are an important part; and it seems to me that they are not the least interesting part of a poem which is by no means dull.
A couple of these were published in Arion, you might want to check your public library for copies of that periodical.
