Harris=good! Well made, user friendly. Just a couple of thoughts though:
1) You will need to buy an adapter to mount to anything other than a sling swivel stud (say that 5 times fast

). Beware of sling swivel stud adaptors: many on the market are not quick detach (i.e. A.R.M.S. or thumb screw) IMHO QD mount is essential! Consider A.R.M.S. #32 (replaces the Harris set screw to mount securely) or the similar porduct from Larue
2) Only buy the Harris bipods that allow you to level the rifle on uneven terrain by canting the rifle in the bipods cradle. Not all Harris bipods do this. Having your rifle level is essential for obtaining the most accuracy.
3) Avoid the Harris bipod with the auto-ejecting telescoping leg extensions!!! While seemingly cool, the extensions are not as sturdy as the regular legs (plastic!?!) and the legs click into pre-determined notches whereas the models with thumb tightening set screws can be adjusted to any desired length (like on uneven ground) and then tightened into place. The extensions are sturdier also.
4) Pick the right length for you! The S-type (smallest) are great for benchtop (rooftop) applications, but you often must use the extensions for prone shooting on the ground. The M-type are great for prone shooting, but maybe a little tall for benchrest (IMHO)
Hope this helps, Walt