The Turf Club chips are leading for a couple reasons - they have solid edge colors, loads of colors and denominations, and they are far cheaper (I've seen them in the $0.70 range). I've ordered a sample set to see how I like them and if I want to start getting them. If I go with a nice set, I'll likely have to spread out the order over time.
If I decide on a cheaper set, then I'll probably go back to the dice chips from Target, and start working on a new custom sticker set. I've been trying to decide what graphics I'd go with. Huskers, Dragons (I did dragons for the AZ Boardgamer chips), Railroad theme, etc. The biggest issue with the custom ones - the graphics are really much smaller than you think (than I thought any way). That, and the dice only come in 5 colors. I'd really like to be able to have 7. Ideally I'd like to have $1, $2, $5, $10, $25, $100, $500