On Jul 13, 4:50*am, tnik wrote:
I know I've seen them around before, but can't find one for the life of
me.. Anyone know where I could find one?

Portalign was one brand name for a gizmo like you describe.
The usual sources (Sears, Harbor Freight) probably have 'em.
(yep, www.sears.com finds "Craftsman drill guide")