You know a bit back I was all gung-ho about seconds, but you can get damned good firsts for the price of some of the seconds.
Connies and Old Fashioned are good if you have a lot of humidor space to fill and don't mind aging them 6 months to a year before smoking them.
Personally the bundled Flor De Oliva Naturals @ $1 a stick, Several of the $30 any size selections at Mike's cigars (La Flor del Caney, Lusitania, and Mantequilla in particular), and $2/stick for Sancho Panza Double Maduros at JR would be my preference over any second I have had to date. Although many seconds are so because of wrapper blemishes, you are guaranteed to have more frequent burn problems with them compared to inexpensive firsts.
Look at mikescigars.com and jrcigars.com for sources - they both carry seconds and a large selection of inexpensive good firsts.
-Matt-