I want to buy this - R4 R4i SDHC Revolution for NDSi/NDSL/NDS R4i Cards R4 Cards save dongle to transfer saves from PC to DS game cartrige. I am just not sure what sites are trusted (not a scam, ship on time, keeps credit card info safe, etc) Is this one any good? - http://www.gamekool.com/r4i-savedongle-p-433.html Any others that any of you have experience with? I'd like to buy from a trusted retailer. Thanks.