If you have the space to put the subwoofer, then take Soloman for sure... comparing the specs, they ARE better speakers by far.
PS:
http://www.google.be/search?q=%28Soloman+%7C+solomon%29+WS+602
Logitech R10:
http://www.logitech.com/index.cfm/products/detail...173,CONTENTID=9817
Total Power Output : 4 W RMS
Left & Right Speaker Output : 2 W RMS each
Frequency response: 70Hz - 20kHz
Dimensions (H x W x D): 9" x 3" x 3.5"
Retail price: $14.99 USD // $18.53 AUD
(PS: these are logitech's cheapest and lowest quality speakers btw)
Soloman WS602:
Total Power Output: 10 W RMS
Satellite Speaker Output: 2.5 W RMS each
Subwoofer Output: 5 W RMS
Frequency Response Subwoofer: 50-200Hz
Frequency Response Satellite: 150-18 kHz
Cone Dimensions Woofer: 3" High Power Woofer
Cone Dimensions Satellite: 50x90mm Full Range
Dimensions Subwoofer (H x W x D): 210mm x 200mm x 210mm
Dimensions Satellite (H x W x D): 145mm x 88mm x 75mm
If you want to stick to the brand Logitech, buy the R20 speakers (which are better quality 2.1 speakers than Soloman's WS602:
http://www.logitech.com/index.cfm/products/detail...173,CONTENTID=9819
http://www.midinet.com.au/product_info.php?products_id=66559 (<= cheapest online store I could find in ausie for those speakers, has apparently an extremely fast delivery and many good reviews)
PS: cheapest 2.1 speakers in ausie I could find: http://www.hboutlet.com.au/catalog/product_info.php?products_id=27152
don't shoot me if quality is low though