According to this AHN story, it looks like Sen. Specter (R-PA) is moving on his new immigration proposal:

Sen. Arlen Specter (R-PA) issued a letter Friday to every senator, unveiling a new legislative package designed to win over critics, who stymied White House efforts earlier this year.

Rather than creating a co-called Z-visa, which is seen by many conservatives as giving the nation's approximately 12 million undocumented immigrants a path to citizenship, Specter is proposing simply removing their fugitive status.

It sounds as though this proposal would offer legalization without a "pathway to citizenship." This measure also, it seems, includes more green cards for "high tech workers."
Specter sounds confident:

Specter said that he is meeting with groups from both sides of the immigration debate and thus far his proposal has garnered a "generally favorable response and, in many cases, an enthusiastic response." "I believe it is possible to enact comprehensive immigration reform in this Congress, perhaps even in this calendar year," he said.

How "comprehensive"--what else could be included in this proposal? We'll also have to see how much support this proposal will muster...