The Official May NPD Thread (Data released 6/12 at ~6:30 PM EST)

[prosugno360]

PlayStation®2 (PS2) also had another strong month in May with hardware unit sales reaching 132,708 units, up 6.7 percent over the previous month. More than 42.2 million PS2s have been sold to date

http://www.kotaku.com.au/games/2008/06/_sony_responds_to_may_npd_sales_seems_pleased_-2.html