NEW YORK " Spam.Not the e-mail kind, but the lunchmeat kind " which is now available in turkey and low-sodium varieties " is returning to more tables as food costs continue to soar and consumers become more budget-conscious.Analysts say that more Americans are turning to meat products like Spam " which averages $2.62 for a 12-ounce can " as a substitute for other, costlier lunch meats as they try to save on groceries and extend already-stretched food budgets. Hormel Foods Corp. said sales of its product have risen nearly 9 percent in the past 24 weeks.David Winslow, 76, of Long …