That IS light - ask 'em in their forum section here - there used to be an OEM Pioneer in the lineup that was a good drive and good value - it's possible they might get them back in.
Not only the sponsor, but an ACTIVE forum member - does any other company give you that level of contact?
If there's no joy there, then there's always
http://www.blankdiscshop.co.uk/acatalog/Hardware_Section__.html
Pioneer 106 Retail and OEM (a VERY respected drive)
Liteon 8x OEM
If you're looking for a cheaper model, ebuyer sometimes have 2x ones
http://www.ebuyer.com/customer/products/index.html?action=c2hvd19wcm9kdWN0X292ZXJ2aWV3&product_uid=55823
But now they have a MIRROR 4x +R/RW for £58.74
According to the review, a rebranded NEC 1100A.
RETAIL BOXED
Depends if you're happy to place both feet in the +R camp ... +R media is currently a little more expensive than -R.