help with my next photo lens please/.

[DanB]

So I decided I need a tele for my sony a350 but I just cant decide. Found 2 that I like and can spend money on but not sure which to get. Here are the two of them and please tell me wich woudl be better and why. Ignore the fact that one has optical stabilizer and focus on the rest of the info about them.
Thank you very much!
Sony SAL-75300 AF D 75-300mm f/4.5-5.6 Autofocus Lens

Filter Size 55mm f/Stop Range 4.5-32/5.6-38 Minimum Focus Distance 4.9' (1.5 m) Magnification 1:4 Zoom/Focus Control Two-touch Angle of View 32 to 8° Groups/Elements 10/13 Length 4.8" (122mm) Maximum Diameter 2.8" (71mm) Weight 1 lb (460 g)
Sigma 70-300mm F4-5.6 DG OS


Focal length 70-300mm Diagonal Angle of view 34.3º - 8.2º Maximum aperture F4 - F5.6 Minimum aperture F22 Lens Construction 16 elements/11 groups
Number of diaphragm blades 9 Minimum focus 150 cm Maximum Magnification Ratio 1:3.9
Image stabilization • Yes Filter thread • 62mm Supplied accessories • Front and rear caps
• Bayonet-type Lens Hood
• Soft Case Weight 610g (21.5 oz) Dimensions 76.5mm diameter x 126.5mm length
(3.0 x 5.0 inches) Lens Mount Sigma AF, Nikon AF, Canon AF, Pentax AF, Sony AF