Get Unlimited Calling with AT&T or Sprint

The smell of free is in the air since a couple of major wireless carriers are beefing up their free calling plans.

Indeed: It's a good time to be shopping for a new wireless plan.

AT&T kicked things off last week with their A-List, which gives you unlimited calls to up to five numbers that you specify on your "A-List." The free A-List calling works in conjunction with the free FamilyTalk calling and month-to-month rollover minutes. According to AT&T, you can take advantage of the A-List as long as you have the $59 Nation plan or better.

That sounds good -- especially if you have a limited set of co-workers or clients you call frequently.

But don't buy it yet, because Sprint announced their own free calling plan, called "Any Mobile, Anytime." And as the name suggests, the plan allows you to make free calls to any wireless number at all, regardless of carrier, and no lists are required. To qualify for this bounty of free, you need to be subscribed to one of Sprint's Simply Everything plans, such as the ones that come with the Palm Pre. These plans start at $69.

What do you think? Is one of these a clear winner? Would either offer be enough to make you switch? Sound off in the comments.