$15 or $20 is cheap compared to a painful day of work, or a hospital visit. (You can also get the generic ones @ Harbor Freight now and again, less than $10.)
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=93641
Six bucks a pair at the moment. I go through a pair once or twice a year (depending on how broken the trucks are that year

) and I find the fingers are the first thing to go. I've debated chopping the fingers off the old ones (child of the 80's, fingerless gloves) but that's the part I find needs the most protection ... the palm and outside never seem to get banged or cut.
And yeah, the gel-padded ones are the shiznit for when you're running air tools or swinging a hammer, etc... but you lose some dexterity with them. With the regular mechanics-style ones I can R&R most small parts and fasteners; with the padded ones, it'd hafta be at least a 3/8" or so bolt for me to grab it
For oily and greasy work, Nvrenuf's on target. I use the nitrile rubber ones as they're thicker and cheaper than the surgical ones. Eight bucks for a box of 100 means 16c a set, and if you go through eight sets in a day, that's a buck you've spent keeping goop off your skin and out of your fingernails, and out of the cuts and scrapes you may have from when you weren't wearing either kind of glove

etc. I mean, sure, FastOrange cleans most stuff off ... but use it hard enough and it takes off a layer of skin, too

and it burns in the aforementioned cuts
My .02, which with inflation means it's worth approximately squat...
-- A