Regarding ryolanshop, I've contacted them about combined shipping as well, and while they do provide that service, I had to pay "full price," since shipping on each individual item added up was the actual cost to ship, according to a message. I believe it, since all the games I ordered had pretty low shipping costs to start with. You can probably get combined shipping if one or two of the games had some unusually high shipping price to start with, since I've seen CD-based games range from the low end of $5 all the way to $15 with this particular seller.
A seller I've always had good experiences with is SuperFamiMart, who is courteous and has very fair prices. I've gotten some excellent deals using SFM, on ebay as well as their own website. I've even gotten promo codes for 10-25% off any one order, which helped me get some great games for really cheap.
