Please offer lowest price for the following items:
1 pair of Philips Xtreme Vision +100% (H4)
1 pair of OSRAM NIGHT BREAKER PLUS (H11)

1. Are the items in original boxes as illustrated (not blister pack)?
http://img33.imageshack.us/img33/3437/p1030859w.jpg
http://img718.imageshack.us/img718/1651/p1020923w.jpg

2. How to claim warranty if anything goes wrong within 30 days? 1 to 1 exchange?

Thanks.