Debit Card Machines in the Church

OK. I am wrestling around with something weird today. That happens to weird people, I guess. I just read an article that 40% of the group of people that tend to come to The Bridge are headed to never using cash or writing a check in their daily lives. They basically will do everything online electronically. So, I am starting the conversation with our staff about putting a debit card machine in the welcome area of the new facility. This is a risky adventure because it is so cutting edge, but the study thinks that churches that do not provide this option may be costing themselves as much as 30% in their giving, and that number is going to skyrocket as checks and cash become more antiquated.
Since we do so much training thru the Treasure Principle and Crown to have people either destroying their credit cards or being ultimately disciplined with them, I am torn in my feelings about this issue. If we think and pray very carefully about this though, could our extensive training actually allow us to do this? Offering envelopes were a very controversial new tool in the 1890's, and I think that we will look back on this 30 years from now and laugh that we ever hestitated to do it. We are a cutting edge church that teaches strong Biblical concepts and that includes our worshipful giving to God. Could it not be just as worshipful to swipe a card as write a check? What is the difference really?
My sister gets criticism from her pastor about giving her tithe from her online banking account. She tells him that since we are commanded to give a certain percentage of gross income to the local church that this process helps her in the spiritual discipline and worship to do so. He is struggling not seeing the gift hit the gold plate that they pass, but why could it not be just worshipful to click a mouse as it is to write a check and plate it? Interesting question.
There is also the danger that the general public will be suspicious that we are only interested in people's money, but if they hang around and give us a little chance they will see that is quite honestly a ridiculous notion.
We will not be putting them on the ends of our rows of chairs or on the altar, but I am feeling like this probably needs to happen. Please pray about it, and let's talk real soon about what you hear from God. The WCA will put the $1500 technology in for us free, so there is no investment. I think that this is probably going to happen and it will feel strange for a little while, but then it will feel just like the envelopes that we no longer think anything about.