Just got an email from Gameyeeeah.com.
They have the R4 in stock and are offering a 12% off coupon good until 5/15/08.

Prices:
1pcs $45.95
2pcs $44.57
3pcs + $43.65
5pcs + $43.19

so if you're buying one, it should come out to be $40.44 (+ tax for some).

Here's the email:
quoteDear Valued Customer,

Thank you so much for your long-lasing support to us! Thank you for your ef...